Home / 765,271.28-1,056,073.56-425,732.24

Finding the Fourth Proportional to 765,271.28, 1,056,073.56 and 425,732.24

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Solution

The fourth proportional to 765,271.28, 1,056,073.56 and 425,732.24 is: 587,510.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,271.28 : 1,056,073.56 = 425,732.24 : x
  2. Step 2: Convert to fraction form
    765,271.28/1,056,073.56 = 425,732.24/x
  3. Step 3: Cross multiply
    765,271.28x = 1,056,073.56 × 425,732.24
  4. Step 4: Simplify right side
    765,271.28x = 449,604,562,303.57
  5. Step 5: Solve for x
    x = 449,604,562,303.57/765,271.28
  6. Step 6: Final answer
    x = 587,510.04

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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.