Home / 782,031.75-1,079,203.82-424,335.75

Finding the Fourth Proportional to 782,031.75, 1,079,203.82 and 424,335.75

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Solution

The fourth proportional to 782,031.75, 1,079,203.82 and 424,335.75 is: 585,583.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,031.75 : 1,079,203.82 = 424,335.75 : x
  2. Step 2: Convert to fraction form
    782,031.75/1,079,203.82 = 424,335.75/x
  3. Step 3: Cross multiply
    782,031.75x = 1,079,203.82 × 424,335.75
  4. Step 4: Simplify right side
    782,031.75x = 457,944,760,240.89
  5. Step 5: Solve for x
    x = 457,944,760,240.89/782,031.75
  6. Step 6: Final answer
    x = 585,583.34

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Double scale
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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.