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Finding the Fourth Proportional to 556,306.20, 834,459.30 and 369,317.70

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Solution

The fourth proportional to 556,306.20, 834,459.30 and 369,317.70 is: 553,976.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,306.20 : 834,459.30 = 369,317.70 : x
  2. Step 2: Convert to fraction form
    556,306.20/834,459.30 = 369,317.70/x
  3. Step 3: Cross multiply
    556,306.20x = 834,459.30 × 369,317.70
  4. Step 4: Simplify right side
    556,306.20x = 308,180,589,419.61
  5. Step 5: Solve for x
    x = 308,180,589,419.61/556,306.20
  6. Step 6: Final answer
    x = 553,976.55

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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.