Home / 487,254.98-672,426.70-272,404.10

Finding the Fourth Proportional to 487,254.98, 672,426.70 and 272,404.10

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Solution

The fourth proportional to 487,254.98, 672,426.70 and 272,404.10 is: 375,925.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,254.98 : 672,426.70 = 272,404.10 : x
  2. Step 2: Convert to fraction form
    487,254.98/672,426.70 = 272,404.10/x
  3. Step 3: Cross multiply
    487,254.98x = 672,426.70 × 272,404.10
  4. Step 4: Simplify right side
    487,254.98x = 183,171,790,029.47
  5. Step 5: Solve for x
    x = 183,171,790,029.47/487,254.98
  6. Step 6: Final answer
    x = 375,925.95

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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.