Home / 487,553.44-672,552.94-283,581.40

Finding the Fourth Proportional to 487,553.44, 672,552.94 and 283,581.40

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Solution

The fourth proportional to 487,553.44, 672,552.94 and 283,581.40 is: 391,184.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,553.44 : 672,552.94 = 283,581.40 : x
  2. Step 2: Convert to fraction form
    487,553.44/672,552.94 = 283,581.40/x
  3. Step 3: Cross multiply
    487,553.44x = 672,552.94 × 283,581.40
  4. Step 4: Simplify right side
    487,553.44x = 190,723,504,299.32
  5. Step 5: Solve for x
    x = 190,723,504,299.32/487,553.44
  6. Step 6: Final answer
    x = 391,184.82

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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.