Home / 705,799.76-1,058,104.38-306,139.49

Finding the Fourth Proportional to 705,799.76, 1,058,104.38 and 306,139.49

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Solution

The fourth proportional to 705,799.76, 1,058,104.38 and 306,139.49 is: 458,951.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,799.76 : 1,058,104.38 = 306,139.49 : x
  2. Step 2: Convert to fraction form
    705,799.76/1,058,104.38 = 306,139.49/x
  3. Step 3: Cross multiply
    705,799.76x = 1,058,104.38 × 306,139.49
  4. Step 4: Simplify right side
    705,799.76x = 323,927,535,259.97
  5. Step 5: Solve for x
    x = 323,927,535,259.97/705,799.76
  6. Step 6: Final answer
    x = 458,951.04

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1.5x scale

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.