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Finding the Fourth Proportional to 407,542.59, 610,518.65 and 266,874.75

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Solution

The fourth proportional to 407,542.59, 610,518.65 and 266,874.75 is: 399,791.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,542.59 : 610,518.65 = 266,874.75 : x
  2. Step 2: Convert to fraction form
    407,542.59/610,518.65 = 266,874.75/x
  3. Step 3: Cross multiply
    407,542.59x = 610,518.65 × 266,874.75
  4. Step 4: Simplify right side
    407,542.59x = 162,932,010,754.71
  5. Step 5: Solve for x
    x = 162,932,010,754.71/407,542.59
  6. Step 6: Final answer
    x = 399,791.37

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1.5x scale

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.