Home / 765,549.24-1,056,389.22-443,281.20

Finding the Fourth Proportional to 765,549.24, 1,056,389.22 and 443,281.20

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Solution

The fourth proportional to 765,549.24, 1,056,389.22 and 443,281.20 is: 611,688.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,549.24 : 1,056,389.22 = 443,281.20 : x
  2. Step 2: Convert to fraction form
    765,549.24/1,056,389.22 = 443,281.20/x
  3. Step 3: Cross multiply
    765,549.24x = 1,056,389.22 × 443,281.20
  4. Step 4: Simplify right side
    765,549.24x = 468,277,481,108.66
  5. Step 5: Solve for x
    x = 468,277,481,108.66/765,549.24
  6. Step 6: Final answer
    x = 611,688.26

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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.