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Finding the Fourth Proportional to 591,605.70, 887,408.55 and 254,807.70

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Solution

The fourth proportional to 591,605.70, 887,408.55 and 254,807.70 is: 382,211.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,605.70 : 887,408.55 = 254,807.70 : x
  2. Step 2: Convert to fraction form
    591,605.70/887,408.55 = 254,807.70/x
  3. Step 3: Cross multiply
    591,605.70x = 887,408.55 × 254,807.70
  4. Step 4: Simplify right side
    591,605.70x = 226,118,531,585.84
  5. Step 5: Solve for x
    x = 226,118,531,585.84/591,605.70
  6. Step 6: Final answer
    x = 382,211.55

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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.