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Finding the Fourth Proportional to 637,269.53, 879,359.79 and 375,607.73

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Solution

The fourth proportional to 637,269.53, 879,359.79 and 375,607.73 is: 518,296.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,269.53 : 879,359.79 = 375,607.73 : x
  2. Step 2: Convert to fraction form
    637,269.53/879,359.79 = 375,607.73/x
  3. Step 3: Cross multiply
    637,269.53x = 879,359.79 × 375,607.73
  4. Step 4: Simplify right side
    637,269.53x = 330,294,338,182.11
  5. Step 5: Solve for x
    x = 330,294,338,182.11/637,269.53
  6. Step 6: Final answer
    x = 518,296.15

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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.