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Finding the Fourth Proportional to 655,060.70, 904,001.43 and 368,590.97

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Solution

The fourth proportional to 655,060.70, 904,001.43 and 368,590.97 is: 508,665.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,060.70 : 904,001.43 = 368,590.97 : x
  2. Step 2: Convert to fraction form
    655,060.70/904,001.43 = 368,590.97/x
  3. Step 3: Cross multiply
    655,060.70x = 904,001.43 × 368,590.97
  4. Step 4: Simplify right side
    655,060.70x = 333,206,759,445.08
  5. Step 5: Solve for x
    x = 333,206,759,445.08/655,060.70
  6. Step 6: Final answer
    x = 508,665.47

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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.