Home / 748,614.56-1,122,801.24-208,884.80

Finding the Fourth Proportional to 748,614.56, 1,122,801.24 and 208,884.80

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Solution

The fourth proportional to 748,614.56, 1,122,801.24 and 208,884.80 is: 313,293.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,614.56 : 1,122,801.24 = 208,884.80 : x
  2. Step 2: Convert to fraction form
    748,614.56/1,122,801.24 = 208,884.80/x
  3. Step 3: Cross multiply
    748,614.56x = 1,122,801.24 × 208,884.80
  4. Step 4: Simplify right side
    748,614.56x = 234,536,112,457.15
  5. Step 5: Solve for x
    x = 234,536,112,457.15/748,614.56
  6. Step 6: Final answer
    x = 313,293.55

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Double scale
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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.