Home / 705,671.86-1,058,348.19-326,384.47

Finding the Fourth Proportional to 705,671.86, 1,058,348.19 and 326,384.47

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Solution

The fourth proportional to 705,671.86, 1,058,348.19 and 326,384.47 is: 489,502.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,671.86 : 1,058,348.19 = 326,384.47 : x
  2. Step 2: Convert to fraction form
    705,671.86/1,058,348.19 = 326,384.47/x
  3. Step 3: Cross multiply
    705,671.86x = 1,058,348.19 × 326,384.47
  4. Step 4: Simplify right side
    705,671.86x = 345,428,406,144.95
  5. Step 5: Solve for x
    x = 345,428,406,144.95/705,671.86
  6. Step 6: Final answer
    x = 489,502.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.