Home / 928,159.59-1,392,240.49-254,246.71

Finding the Fourth Proportional to 928,159.59, 1,392,240.49 and 254,246.71

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Solution

The fourth proportional to 928,159.59, 1,392,240.49 and 254,246.71 is: 381,370.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,159.59 : 1,392,240.49 = 254,246.71 : x
  2. Step 2: Convert to fraction form
    928,159.59/1,392,240.49 = 254,246.71/x
  3. Step 3: Cross multiply
    928,159.59x = 1,392,240.49 × 254,246.71
  4. Step 4: Simplify right side
    928,159.59x = 353,972,560,948.50
  5. Step 5: Solve for x
    x = 353,972,560,948.50/928,159.59
  6. Step 6: Final answer
    x = 381,370.36

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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.