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Finding the Fourth Proportional to 519,728.28, 779,903.40 and 224,240.28

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Solution

The fourth proportional to 519,728.28, 779,903.40 and 224,240.28 is: 336,494.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,728.28 : 779,903.40 = 224,240.28 : x
  2. Step 2: Convert to fraction form
    519,728.28/779,903.40 = 224,240.28/x
  3. Step 3: Cross multiply
    519,728.28x = 779,903.40 × 224,240.28
  4. Step 4: Simplify right side
    519,728.28x = 174,885,756,788.95
  5. Step 5: Solve for x
    x = 174,885,756,788.95/519,728.28
  6. Step 6: Final answer
    x = 336,494.59

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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.