Home / 942,921.24-1,301,259.12-513,229.20

Finding the Fourth Proportional to 942,921.24, 1,301,259.12 and 513,229.20

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Solution

The fourth proportional to 942,921.24, 1,301,259.12 and 513,229.20 is: 708,271.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,921.24 : 1,301,259.12 = 513,229.20 : x
  2. Step 2: Convert to fraction form
    942,921.24/1,301,259.12 = 513,229.20/x
  3. Step 3: Cross multiply
    942,921.24x = 1,301,259.12 × 513,229.20
  4. Step 4: Simplify right side
    942,921.24x = 667,844,177,150.30
  5. Step 5: Solve for x
    x = 667,844,177,150.30/942,921.24
  6. Step 6: Final answer
    x = 708,271.43

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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.