Home / 763,502.60-1,145,253.90-444,200.60

Finding the Fourth Proportional to 763,502.60, 1,145,253.90 and 444,200.60

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Solution

The fourth proportional to 763,502.60, 1,145,253.90 and 444,200.60 is: 666,300.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,502.60 : 1,145,253.90 = 444,200.60 : x
  2. Step 2: Convert to fraction form
    763,502.60/1,145,253.90 = 444,200.60/x
  3. Step 3: Cross multiply
    763,502.60x = 1,145,253.90 × 444,200.60
  4. Step 4: Simplify right side
    763,502.60x = 508,722,469,532.34
  5. Step 5: Solve for x
    x = 508,722,469,532.34/763,502.60
  6. Step 6: Final answer
    x = 666,300.90

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Double scale
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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.