Home / 842,337.28-1,264,003.68-310,232.32

Finding the Fourth Proportional to 842,337.28, 1,264,003.68 and 310,232.32

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Solution

The fourth proportional to 842,337.28, 1,264,003.68 and 310,232.32 is: 465,531.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,337.28 : 1,264,003.68 = 310,232.32 : x
  2. Step 2: Convert to fraction form
    842,337.28/1,264,003.68 = 310,232.32/x
  3. Step 3: Cross multiply
    842,337.28x = 1,264,003.68 × 310,232.32
  4. Step 4: Simplify right side
    842,337.28x = 392,134,794,134.94
  5. Step 5: Solve for x
    x = 392,134,794,134.94/842,337.28
  6. Step 6: Final answer
    x = 465,531.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.