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Finding the Fourth Proportional to 657,847.68, 907,829.52 and 356,041.68

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Solution

The fourth proportional to 657,847.68, 907,829.52 and 356,041.68 is: 491,337.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,847.68 : 907,829.52 = 356,041.68 : x
  2. Step 2: Convert to fraction form
    657,847.68/907,829.52 = 356,041.68/x
  3. Step 3: Cross multiply
    657,847.68x = 907,829.52 × 356,041.68
  4. Step 4: Simplify right side
    657,847.68x = 323,225,147,454.39
  5. Step 5: Solve for x
    x = 323,225,147,454.39/657,847.68
  6. Step 6: Final answer
    x = 491,337.37

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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.