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Finding the Fourth Proportional to 653,996.92, 902,518.86 and 382,080.28

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Solution

The fourth proportional to 653,996.92, 902,518.86 and 382,080.28 is: 527,272.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,996.92 : 902,518.86 = 382,080.28 : x
  2. Step 2: Convert to fraction form
    653,996.92/902,518.86 = 382,080.28/x
  3. Step 3: Cross multiply
    653,996.92x = 902,518.86 × 382,080.28
  4. Step 4: Simplify right side
    653,996.92x = 344,834,658,734.08
  5. Step 5: Solve for x
    x = 344,834,658,734.08/653,996.92
  6. Step 6: Final answer
    x = 527,272.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.