Home / 917,512.60-1,377,305.70-543,746.20

Finding the Fourth Proportional to 917,512.60, 1,377,305.70 and 543,746.20

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Solution

The fourth proportional to 917,512.60, 1,377,305.70 and 543,746.20 is: 816,233.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,512.60 : 1,377,305.70 = 543,746.20 : x
  2. Step 2: Convert to fraction form
    917,512.60/1,377,305.70 = 543,746.20/x
  3. Step 3: Cross multiply
    917,512.60x = 1,377,305.70 × 543,746.20
  4. Step 4: Simplify right side
    917,512.60x = 748,904,740,613.34
  5. Step 5: Solve for x
    x = 748,904,740,613.34/917,512.60
  6. Step 6: Final answer
    x = 816,233.74

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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.