Home / 838,290.58-1,257,331.92-239,304.22

Finding the Fourth Proportional to 838,290.58, 1,257,331.92 and 239,304.22

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Solution

The fourth proportional to 838,290.58, 1,257,331.92 and 239,304.22 is: 358,926.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,290.58 : 1,257,331.92 = 239,304.22 : x
  2. Step 2: Convert to fraction form
    838,290.58/1,257,331.92 = 239,304.22/x
  3. Step 3: Cross multiply
    838,290.58x = 1,257,331.92 × 239,304.22
  4. Step 4: Simplify right side
    838,290.58x = 300,884,834,396.70
  5. Step 5: Solve for x
    x = 300,884,834,396.70/838,290.58
  6. Step 6: Final answer
    x = 358,926.66

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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.