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Finding the Fourth Proportional to 636,062.06, 877,773.02 and 349,582.61

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Solution

The fourth proportional to 636,062.06, 877,773.02 and 349,582.61 is: 482,428.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,062.06 : 877,773.02 = 349,582.61 : x
  2. Step 2: Convert to fraction form
    636,062.06/877,773.02 = 349,582.61/x
  3. Step 3: Cross multiply
    636,062.06x = 877,773.02 × 349,582.61
  4. Step 4: Simplify right side
    636,062.06x = 306,854,177,182.40
  5. Step 5: Solve for x
    x = 306,854,177,182.40/636,062.06
  6. Step 6: Final answer
    x = 482,428.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.