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Finding the Fourth Proportional to 649,459.60, 975,355.80 and 472,166.80

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Solution

The fourth proportional to 649,459.60, 975,355.80 and 472,166.80 is: 709,098.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,459.60 : 975,355.80 = 472,166.80 : x
  2. Step 2: Convert to fraction form
    649,459.60/975,355.80 = 472,166.80/x
  3. Step 3: Cross multiply
    649,459.60x = 975,355.80 × 472,166.80
  4. Step 4: Simplify right side
    649,459.60x = 460,530,626,947.44
  5. Step 5: Solve for x
    x = 460,530,626,947.44/649,459.60
  6. Step 6: Final answer
    x = 709,098.19

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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.