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Finding the Fourth Proportional to 657,852.93, 907,836.77 and 356,046.93

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Solution

The fourth proportional to 657,852.93, 907,836.77 and 356,046.93 is: 491,344.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,852.93 : 907,836.77 = 356,046.93 : x
  2. Step 2: Convert to fraction form
    657,852.93/907,836.77 = 356,046.93/x
  3. Step 3: Cross multiply
    657,852.93x = 907,836.77 × 356,046.93
  4. Step 4: Simplify right side
    657,852.93x = 323,232,493,119.38
  5. Step 5: Solve for x
    x = 323,232,493,119.38/657,852.93
  6. Step 6: Final answer
    x = 491,344.61

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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.