Home / 487,425.80-672,710.27-272,577.96

Finding the Fourth Proportional to 487,425.80, 672,710.27 and 272,577.96

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Solution

The fourth proportional to 487,425.80, 672,710.27 and 272,577.96 is: 376,192.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,425.80 : 672,710.27 = 272,577.96 : x
  2. Step 2: Convert to fraction form
    487,425.80/672,710.27 = 272,577.96/x
  3. Step 3: Cross multiply
    487,425.80x = 672,710.27 × 272,577.96
  4. Step 4: Simplify right side
    487,425.80x = 183,365,991,704.76
  5. Step 5: Solve for x
    x = 183,365,991,704.76/487,425.80
  6. Step 6: Final answer
    x = 376,192.62

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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.