Home / 482,738.40-724,107.60-370,982.70

Finding the Fourth Proportional to 482,738.40, 724,107.60 and 370,982.70

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Solution

The fourth proportional to 482,738.40, 724,107.60 and 370,982.70 is: 556,474.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,738.40 : 724,107.60 = 370,982.70 : x
  2. Step 2: Convert to fraction form
    482,738.40/724,107.60 = 370,982.70/x
  3. Step 3: Cross multiply
    482,738.40x = 724,107.60 × 370,982.70
  4. Step 4: Simplify right side
    482,738.40x = 268,631,392,538.52
  5. Step 5: Solve for x
    x = 268,631,392,538.52/482,738.40
  6. Step 6: Final answer
    x = 556,474.05

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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.