Home / 928,762.16-1,393,272.38-329,580.88

Finding the Fourth Proportional to 928,762.16, 1,393,272.38 and 329,580.88

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Solution

The fourth proportional to 928,762.16, 1,393,272.38 and 329,580.88 is: 494,417.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,762.16 : 1,393,272.38 = 329,580.88 : x
  2. Step 2: Convert to fraction form
    928,762.16/1,393,272.38 = 329,580.88/x
  3. Step 3: Cross multiply
    928,762.16x = 1,393,272.38 × 329,580.88
  4. Step 4: Simplify right side
    928,762.16x = 459,195,934,420.87
  5. Step 5: Solve for x
    x = 459,195,934,420.87/928,762.16
  6. Step 6: Final answer
    x = 494,417.15

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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.