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Finding the Fourth Proportional to 651,700.80, 977,502.60 and 272,523.60

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Solution

The fourth proportional to 651,700.80, 977,502.60 and 272,523.60 is: 408,765.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,700.80 : 977,502.60 = 272,523.60 : x
  2. Step 2: Convert to fraction form
    651,700.80/977,502.60 = 272,523.60/x
  3. Step 3: Cross multiply
    651,700.80x = 977,502.60 × 272,523.60
  4. Step 4: Simplify right side
    651,700.80x = 266,392,527,561.36
  5. Step 5: Solve for x
    x = 266,392,527,561.36/651,700.80
  6. Step 6: Final answer
    x = 408,765.08

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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.