Home / 487,645.98-672,977.61-272,773.23

Finding the Fourth Proportional to 487,645.98, 672,977.61 and 272,773.23

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Solution

The fourth proportional to 487,645.98, 672,977.61 and 272,773.23 is: 376,441.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,645.98 : 672,977.61 = 272,773.23 : x
  2. Step 2: Convert to fraction form
    487,645.98/672,977.61 = 272,773.23/x
  3. Step 3: Cross multiply
    487,645.98x = 672,977.61 × 272,773.23
  4. Step 4: Simplify right side
    487,645.98x = 183,570,276,397.38
  5. Step 5: Solve for x
    x = 183,570,276,397.38/487,645.98
  6. Step 6: Final answer
    x = 376,441.69

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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.