Home / 482,821.10-724,231.65-305,528.30

Finding the Fourth Proportional to 482,821.10, 724,231.65 and 305,528.30

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Solution

The fourth proportional to 482,821.10, 724,231.65 and 305,528.30 is: 458,292.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,821.10 : 724,231.65 = 305,528.30 : x
  2. Step 2: Convert to fraction form
    482,821.10/724,231.65 = 305,528.30/x
  3. Step 3: Cross multiply
    482,821.10x = 724,231.65 × 305,528.30
  4. Step 4: Simplify right side
    482,821.10x = 221,273,264,830.70
  5. Step 5: Solve for x
    x = 221,273,264,830.70/482,821.10
  6. Step 6: Final answer
    x = 458,292.45

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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.