Home / 942,921.58-1,301,259.36-513,229.54

Finding the Fourth Proportional to 942,921.58, 1,301,259.36 and 513,229.54

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Solution

The fourth proportional to 942,921.58, 1,301,259.36 and 513,229.54 is: 708,271.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,921.58 : 1,301,259.36 = 513,229.54 : x
  2. Step 2: Convert to fraction form
    942,921.58/1,301,259.36 = 513,229.54/x
  3. Step 3: Cross multiply
    942,921.58x = 1,301,259.36 × 513,229.54
  4. Step 4: Simplify right side
    942,921.58x = 667,844,742,753.49
  5. Step 5: Solve for x
    x = 667,844,742,753.49/942,921.58
  6. Step 6: Final answer
    x = 708,271.78

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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.