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Finding the Fourth Proportional to 657,544.60, 985,587.90 and 258,052.60

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Solution

The fourth proportional to 657,544.60, 985,587.90 and 258,052.60 is: 386,792.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,544.60 : 985,587.90 = 258,052.60 : x
  2. Step 2: Convert to fraction form
    657,544.60/985,587.90 = 258,052.60/x
  3. Step 3: Cross multiply
    657,544.60x = 985,587.90 × 258,052.60
  4. Step 4: Simplify right side
    657,544.60x = 254,333,520,123.54
  5. Step 5: Solve for x
    x = 254,333,520,123.54/657,544.60
  6. Step 6: Final answer
    x = 386,792.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.