Home / 925,420.02-1,277,070.72-517,517.24

Finding the Fourth Proportional to 925,420.02, 1,277,070.72 and 517,517.24

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Solution

The fourth proportional to 925,420.02, 1,277,070.72 and 517,517.24 is: 714,168.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,420.02 : 1,277,070.72 = 517,517.24 : x
  2. Step 2: Convert to fraction form
    925,420.02/1,277,070.72 = 517,517.24/x
  3. Step 3: Cross multiply
    925,420.02x = 1,277,070.72 × 517,517.24
  4. Step 4: Simplify right side
    925,420.02x = 660,906,114,299.21
  5. Step 5: Solve for x
    x = 660,906,114,299.21/925,420.02
  6. Step 6: Final answer
    x = 714,168.81

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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.