Home / 520,084.20-780,126.30-146,110.44

Finding the Fourth Proportional to 520,084.20, 780,126.30 and 146,110.44

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Solution

The fourth proportional to 520,084.20, 780,126.30 and 146,110.44 is: 219,165.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,084.20 : 780,126.30 = 146,110.44 : x
  2. Step 2: Convert to fraction form
    520,084.20/780,126.30 = 146,110.44/x
  3. Step 3: Cross multiply
    520,084.20x = 780,126.30 × 146,110.44
  4. Step 4: Simplify right side
    520,084.20x = 113,984,596,948.57
  5. Step 5: Solve for x
    x = 113,984,596,948.57/520,084.20
  6. Step 6: Final answer
    x = 219,165.66

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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.