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Finding the Fourth Proportional to 407,524.73, 610,491.88 and 266,856.89

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Solution

The fourth proportional to 407,524.73, 610,491.88 and 266,856.89 is: 399,764.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,524.73 : 610,491.88 = 266,856.89 : x
  2. Step 2: Convert to fraction form
    407,524.73/610,491.88 = 266,856.89/x
  3. Step 3: Cross multiply
    407,524.73x = 610,491.88 × 266,856.89
  4. Step 4: Simplify right side
    407,524.73x = 162,913,963,681.11
  5. Step 5: Solve for x
    x = 162,913,963,681.11/407,524.73
  6. Step 6: Final answer
    x = 399,764.61

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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.