Home / 719,525.50-1,079,100.12-213,950.32

Finding the Fourth Proportional to 719,525.50, 1,079,100.12 and 213,950.32

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Solution

The fourth proportional to 719,525.50, 1,079,100.12 and 213,950.32 is: 320,869.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,525.50 : 1,079,100.12 = 213,950.32 : x
  2. Step 2: Convert to fraction form
    719,525.50/1,079,100.12 = 213,950.32/x
  3. Step 3: Cross multiply
    719,525.50x = 1,079,100.12 × 213,950.32
  4. Step 4: Simplify right side
    719,525.50x = 230,873,815,986.04
  5. Step 5: Solve for x
    x = 230,873,815,986.04/719,525.50
  6. Step 6: Final answer
    x = 320,869.54

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Half scale
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Double scale
Find fourth proportional to 719,526.50, 1,079,101.62 and 213,951.32
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.