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Finding the Fourth Proportional to 677,575.67, 935,048.03 and 371,645.96

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Solution

The fourth proportional to 677,575.67, 935,048.03 and 371,645.96 is: 512,867.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,575.67 : 935,048.03 = 371,645.96 : x
  2. Step 2: Convert to fraction form
    677,575.67/935,048.03 = 371,645.96/x
  3. Step 3: Cross multiply
    677,575.67x = 935,048.03 × 371,645.96
  4. Step 4: Simplify right side
    677,575.67x = 347,506,816,221.99
  5. Step 5: Solve for x
    x = 347,506,816,221.99/677,575.67
  6. Step 6: Final answer
    x = 512,867.91

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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.