Home / 755,258.34-1,042,278.66-411,116.72

Finding the Fourth Proportional to 755,258.34, 1,042,278.66 and 411,116.72

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Solution

The fourth proportional to 755,258.34, 1,042,278.66 and 411,116.72 is: 567,353.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,258.34 : 1,042,278.66 = 411,116.72 : x
  2. Step 2: Convert to fraction form
    755,258.34/1,042,278.66 = 411,116.72/x
  3. Step 3: Cross multiply
    755,258.34x = 1,042,278.66 × 411,116.72
  4. Step 4: Simplify right side
    755,258.34x = 428,498,178,813.80
  5. Step 5: Solve for x
    x = 428,498,178,813.80/755,258.34
  6. Step 6: Final answer
    x = 567,353.12

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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.