Home / 738,146.20-1,107,737.70-472,552.60

Finding the Fourth Proportional to 738,146.20, 1,107,737.70 and 472,552.60

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Solution

The fourth proportional to 738,146.20, 1,107,737.70 and 472,552.60 is: 709,160.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,146.20 : 1,107,737.70 = 472,552.60 : x
  2. Step 2: Convert to fraction form
    738,146.20/1,107,737.70 = 472,552.60/x
  3. Step 3: Cross multiply
    738,146.20x = 1,107,737.70 × 472,552.60
  4. Step 4: Simplify right side
    738,146.20x = 523,464,330,253.02
  5. Step 5: Solve for x
    x = 523,464,330,253.02/738,146.20
  6. Step 6: Final answer
    x = 709,160.77

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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.