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Finding the Fourth Proportional to 657,066.60, 985,311.90 and 301,962.60

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Solution

The fourth proportional to 657,066.60, 985,311.90 and 301,962.60 is: 452,811.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,066.60 : 985,311.90 = 301,962.60 : x
  2. Step 2: Convert to fraction form
    657,066.60/985,311.90 = 301,962.60/x
  3. Step 3: Cross multiply
    657,066.60x = 985,311.90 × 301,962.60
  4. Step 4: Simplify right side
    657,066.60x = 297,527,343,134.94
  5. Step 5: Solve for x
    x = 297,527,343,134.94/657,066.60
  6. Step 6: Final answer
    x = 452,811.55

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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.