Home / 758,514.78-1,046,747.21-418,983.03

Finding the Fourth Proportional to 758,514.78, 1,046,747.21 and 418,983.03

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Solution

The fourth proportional to 758,514.78, 1,046,747.21 and 418,983.03 is: 578,194.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,514.78 : 1,046,747.21 = 418,983.03 : x
  2. Step 2: Convert to fraction form
    758,514.78/1,046,747.21 = 418,983.03/x
  3. Step 3: Cross multiply
    758,514.78x = 1,046,747.21 × 418,983.03
  4. Step 4: Simplify right side
    758,514.78x = 438,569,315,594.93
  5. Step 5: Solve for x
    x = 438,569,315,594.93/758,514.78
  6. Step 6: Final answer
    x = 578,194.82

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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.