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Finding the Fourth Proportional to 657,014.70, 906,544.86 and 377,557.86

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Solution

The fourth proportional to 657,014.70, 906,544.86 and 377,557.86 is: 520,952.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,014.70 : 906,544.86 = 377,557.86 : x
  2. Step 2: Convert to fraction form
    657,014.70/906,544.86 = 377,557.86/x
  3. Step 3: Cross multiply
    657,014.70x = 906,544.86 × 377,557.86
  4. Step 4: Simplify right side
    657,014.70x = 342,273,137,335.60
  5. Step 5: Solve for x
    x = 342,273,137,335.60/657,014.70
  6. Step 6: Final answer
    x = 520,952.02

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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.