Home / 520,217.27-780,325.91-146,240.27

Finding the Fourth Proportional to 520,217.27, 780,325.91 and 146,240.27

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Solution

The fourth proportional to 520,217.27, 780,325.91 and 146,240.27 is: 219,360.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,217.27 : 780,325.91 = 146,240.27 : x
  2. Step 2: Convert to fraction form
    520,217.27/780,325.91 = 146,240.27/x
  3. Step 3: Cross multiply
    520,217.27x = 780,325.91 × 146,240.27
  4. Step 4: Simplify right side
    520,217.27x = 114,115,071,766.40
  5. Step 5: Solve for x
    x = 114,115,071,766.40/520,217.27
  6. Step 6: Final answer
    x = 219,360.41

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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.