Home / 928,108.56-1,392,424.20-359,661.36

Finding the Fourth Proportional to 928,108.56, 1,392,424.20 and 359,661.36

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Solution

The fourth proportional to 928,108.56, 1,392,424.20 and 359,661.36 is: 539,593.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,108.56 : 1,392,424.20 = 359,661.36 : x
  2. Step 2: Convert to fraction form
    928,108.56/1,392,424.20 = 359,661.36/x
  3. Step 3: Cross multiply
    928,108.56x = 1,392,424.20 × 359,661.36
  4. Step 4: Simplify right side
    928,108.56x = 500,801,181,468.91
  5. Step 5: Solve for x
    x = 500,801,181,468.91/928,108.56
  6. Step 6: Final answer
    x = 539,593.32

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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.