Home / 826,757.71-1,240,149.02-287,031.12

Finding the Fourth Proportional to 826,757.71, 1,240,149.02 and 287,031.12

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Solution

The fourth proportional to 826,757.71, 1,240,149.02 and 287,031.12 is: 430,551.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,757.71 : 1,240,149.02 = 287,031.12 : x
  2. Step 2: Convert to fraction form
    826,757.71/1,240,149.02 = 287,031.12/x
  3. Step 3: Cross multiply
    826,757.71x = 1,240,149.02 × 287,031.12
  4. Step 4: Simplify right side
    826,757.71x = 355,961,356,091.79
  5. Step 5: Solve for x
    x = 355,961,356,091.79/826,757.71
  6. Step 6: Final answer
    x = 430,551.00

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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.