Home / 672,940.59-928,625.24-401,002.43

Finding the Fourth Proportional to 672,940.59, 928,625.24 and 401,002.43

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Solution

The fourth proportional to 672,940.59, 928,625.24 and 401,002.43 is: 553,363.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,940.59 : 928,625.24 = 401,002.43 : x
  2. Step 2: Convert to fraction form
    672,940.59/928,625.24 = 401,002.43/x
  3. Step 3: Cross multiply
    672,940.59x = 928,625.24 × 401,002.43
  4. Step 4: Simplify right side
    672,940.59x = 372,380,974,158.71
  5. Step 5: Solve for x
    x = 372,380,974,158.71/672,940.59
  6. Step 6: Final answer
    x = 553,363.82

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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.