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Finding the Fourth Proportional to 646,737.60, 970,106.40 and 497,265.60

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Solution

The fourth proportional to 646,737.60, 970,106.40 and 497,265.60 is: 745,898.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,737.60 : 970,106.40 = 497,265.60 : x
  2. Step 2: Convert to fraction form
    646,737.60/970,106.40 = 497,265.60/x
  3. Step 3: Cross multiply
    646,737.60x = 970,106.40 × 497,265.60
  4. Step 4: Simplify right side
    646,737.60x = 482,400,541,059.84
  5. Step 5: Solve for x
    x = 482,400,541,059.84/646,737.60
  6. Step 6: Final answer
    x = 745,898.40

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Double scale
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Similar ratio
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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.