Home / 880,355.28-1,320,532.92-480,778.05

Finding the Fourth Proportional to 880,355.28, 1,320,532.92 and 480,778.05

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Solution

The fourth proportional to 880,355.28, 1,320,532.92 and 480,778.05 is: 721,167.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,355.28 : 1,320,532.92 = 480,778.05 : x
  2. Step 2: Convert to fraction form
    880,355.28/1,320,532.92 = 480,778.05/x
  3. Step 3: Cross multiply
    880,355.28x = 1,320,532.92 × 480,778.05
  4. Step 4: Simplify right side
    880,355.28x = 634,883,242,238.41
  5. Step 5: Solve for x
    x = 634,883,242,238.41/880,355.28
  6. Step 6: Final answer
    x = 721,167.08

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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.