Home / 487,450.60-672,677.22-272,588.20

Finding the Fourth Proportional to 487,450.60, 672,677.22 and 272,588.20

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Solution

The fourth proportional to 487,450.60, 672,677.22 and 272,588.20 is: 376,169.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,450.60 : 672,677.22 = 272,588.20 : x
  2. Step 2: Convert to fraction form
    487,450.60/672,677.22 = 272,588.20/x
  3. Step 3: Cross multiply
    487,450.60x = 672,677.22 × 272,588.20
  4. Step 4: Simplify right side
    487,450.60x = 183,363,872,580.80
  5. Step 5: Solve for x
    x = 183,363,872,580.80/487,450.60
  6. Step 6: Final answer
    x = 376,169.14

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1.5x scale

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.