Home / 719,518.50-1,079,089.62-213,943.32

Finding the Fourth Proportional to 719,518.50, 1,079,089.62 and 213,943.32

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Solution

The fourth proportional to 719,518.50, 1,079,089.62 and 213,943.32 is: 320,859.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,518.50 : 1,079,089.62 = 213,943.32 : x
  2. Step 2: Convert to fraction form
    719,518.50/1,079,089.62 = 213,943.32/x
  3. Step 3: Cross multiply
    719,518.50x = 1,079,089.62 × 213,943.32
  4. Step 4: Simplify right side
    719,518.50x = 230,864,015,880.34
  5. Step 5: Solve for x
    x = 230,864,015,880.34/719,518.50
  6. Step 6: Final answer
    x = 320,859.04

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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.