Home / 482,974.40-724,461.60-283,390.40

Finding the Fourth Proportional to 482,974.40, 724,461.60 and 283,390.40

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Solution

The fourth proportional to 482,974.40, 724,461.60 and 283,390.40 is: 425,085.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,974.40 : 724,461.60 = 283,390.40 : x
  2. Step 2: Convert to fraction form
    482,974.40/724,461.60 = 283,390.40/x
  3. Step 3: Cross multiply
    482,974.40x = 724,461.60 × 283,390.40
  4. Step 4: Simplify right side
    482,974.40x = 205,305,462,608.64
  5. Step 5: Solve for x
    x = 205,305,462,608.64/482,974.40
  6. Step 6: Final answer
    x = 425,085.60

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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.