Home / 578,749.60-868,124.40-204,810.40

Finding the Fourth Proportional to 578,749.60, 868,124.40 and 204,810.40

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Solution

The fourth proportional to 578,749.60, 868,124.40 and 204,810.40 is: 307,215.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,749.60 : 868,124.40 = 204,810.40 : x
  2. Step 2: Convert to fraction form
    578,749.60/868,124.40 = 204,810.40/x
  3. Step 3: Cross multiply
    578,749.60x = 868,124.40 × 204,810.40
  4. Step 4: Simplify right side
    578,749.60x = 177,800,905,613.76
  5. Step 5: Solve for x
    x = 177,800,905,613.76/578,749.60
  6. Step 6: Final answer
    x = 307,215.60

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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.