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Finding the Fourth Proportional to 559,069.70, 838,604.55 and 510,080.90

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Solution

The fourth proportional to 559,069.70, 838,604.55 and 510,080.90 is: 765,121.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,069.70 : 838,604.55 = 510,080.90 : x
  2. Step 2: Convert to fraction form
    559,069.70/838,604.55 = 510,080.90/x
  3. Step 3: Cross multiply
    559,069.70x = 838,604.55 × 510,080.90
  4. Step 4: Simplify right side
    559,069.70x = 427,756,163,608.10
  5. Step 5: Solve for x
    x = 427,756,163,608.10/559,069.70
  6. Step 6: Final answer
    x = 765,121.35

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Similar ratio
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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.