Home / 758,356.32-1,046,540.56-418,823.52

Finding the Fourth Proportional to 758,356.32, 1,046,540.56 and 418,823.52

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Solution

The fourth proportional to 758,356.32, 1,046,540.56 and 418,823.52 is: 577,981.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,356.32 : 1,046,540.56 = 418,823.52 : x
  2. Step 2: Convert to fraction form
    758,356.32/1,046,540.56 = 418,823.52/x
  3. Step 3: Cross multiply
    758,356.32x = 1,046,540.56 × 418,823.52
  4. Step 4: Simplify right side
    758,356.32x = 438,315,801,161.97
  5. Step 5: Solve for x
    x = 438,315,801,161.97/758,356.32
  6. Step 6: Final answer
    x = 577,981.34

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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.