Home / 726,645.24-1,089,650.12-366,594.57

Finding the Fourth Proportional to 726,645.24, 1,089,650.12 and 366,594.57

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Solution

The fourth proportional to 726,645.24, 1,089,650.12 and 366,594.57 is: 549,731.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,645.24 : 1,089,650.12 = 366,594.57 : x
  2. Step 2: Convert to fraction form
    726,645.24/1,089,650.12 = 366,594.57/x
  3. Step 3: Cross multiply
    726,645.24x = 1,089,650.12 × 366,594.57
  4. Step 4: Simplify right side
    726,645.24x = 399,459,815,358.88
  5. Step 5: Solve for x
    x = 399,459,815,358.88/726,645.24
  6. Step 6: Final answer
    x = 549,731.55

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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.