Home / 542,839.74-749,148.39-352,016.70

Finding the Fourth Proportional to 542,839.74, 749,148.39 and 352,016.70

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Solution

The fourth proportional to 542,839.74, 749,148.39 and 352,016.70 is: 485,802.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,839.74 : 749,148.39 = 352,016.70 : x
  2. Step 2: Convert to fraction form
    542,839.74/749,148.39 = 352,016.70/x
  3. Step 3: Cross multiply
    542,839.74x = 749,148.39 × 352,016.70
  4. Step 4: Simplify right side
    542,839.74x = 263,712,744,058.11
  5. Step 5: Solve for x
    x = 263,712,744,058.11/542,839.74
  6. Step 6: Final answer
    x = 485,802.21

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1.5x scale

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.