Home / 670,116.01-1,005,298.53-220,868.44

Finding the Fourth Proportional to 670,116.01, 1,005,298.53 and 220,868.44

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Solution

The fourth proportional to 670,116.01, 1,005,298.53 and 220,868.44 is: 331,343.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,116.01 : 1,005,298.53 = 220,868.44 : x
  2. Step 2: Convert to fraction form
    670,116.01/1,005,298.53 = 220,868.44/x
  3. Step 3: Cross multiply
    670,116.01x = 1,005,298.53 × 220,868.44
  4. Step 4: Simplify right side
    670,116.01x = 222,038,718,055.39
  5. Step 5: Solve for x
    x = 222,038,718,055.39/670,116.01
  6. Step 6: Final answer
    x = 331,343.70

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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.