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Finding the Fourth Proportional to 636,034.32, 877,737.60 and 364,101.12

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Solution

The fourth proportional to 636,034.32, 877,737.60 and 364,101.12 is: 502,465.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,034.32 : 877,737.60 = 364,101.12 : x
  2. Step 2: Convert to fraction form
    636,034.32/877,737.60 = 364,101.12/x
  3. Step 3: Cross multiply
    636,034.32x = 877,737.60 × 364,101.12
  4. Step 4: Simplify right side
    636,034.32x = 319,585,243,226.11
  5. Step 5: Solve for x
    x = 319,585,243,226.11/636,034.32
  6. Step 6: Final answer
    x = 502,465.41

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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.