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Finding the Fourth Proportional to 649,452.60, 972,210.60 and 472,305.60

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Solution

The fourth proportional to 649,452.60, 972,210.60 and 472,305.60 is: 707,026.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,452.60 : 972,210.60 = 472,305.60 : x
  2. Step 2: Convert to fraction form
    649,452.60/972,210.60 = 472,305.60/x
  3. Step 3: Cross multiply
    649,452.60x = 972,210.60 × 472,305.60
  4. Step 4: Simplify right side
    649,452.60x = 459,180,510,759.36
  5. Step 5: Solve for x
    x = 459,180,510,759.36/649,452.60
  6. Step 6: Final answer
    x = 707,026.98

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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.