Home / 638,246.70-957,370.05-283,296.60

Finding the Fourth Proportional to 638,246.70, 957,370.05 and 283,296.60

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Solution

The fourth proportional to 638,246.70, 957,370.05 and 283,296.60 is: 424,944.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,246.70 : 957,370.05 = 283,296.60 : x
  2. Step 2: Convert to fraction form
    638,246.70/957,370.05 = 283,296.60/x
  3. Step 3: Cross multiply
    638,246.70x = 957,370.05 × 283,296.60
  4. Step 4: Simplify right side
    638,246.70x = 271,219,680,106.83
  5. Step 5: Solve for x
    x = 271,219,680,106.83/638,246.70
  6. Step 6: Final answer
    x = 424,944.90

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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.