Home / 928,180.26-1,392,271.61-254,267.55

Finding the Fourth Proportional to 928,180.26, 1,392,271.61 and 254,267.55

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Solution

The fourth proportional to 928,180.26, 1,392,271.61 and 254,267.55 is: 381,401.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,180.26 : 1,392,271.61 = 254,267.55 : x
  2. Step 2: Convert to fraction form
    928,180.26/1,392,271.61 = 254,267.55/x
  3. Step 3: Cross multiply
    928,180.26x = 1,392,271.61 × 254,267.55
  4. Step 4: Simplify right side
    928,180.26x = 354,009,489,937.92
  5. Step 5: Solve for x
    x = 354,009,489,937.92/928,180.26
  6. Step 6: Final answer
    x = 381,401.66

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Double scale
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Similar ratio
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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.