Home / 880,989.96-1,215,766.98-478,581.96

Finding the Fourth Proportional to 880,989.96, 1,215,766.98 and 478,581.96

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Solution

The fourth proportional to 880,989.96, 1,215,766.98 and 478,581.96 is: 660,443.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,989.96 : 1,215,766.98 = 478,581.96 : x
  2. Step 2: Convert to fraction form
    880,989.96/1,215,766.98 = 478,581.96/x
  3. Step 3: Cross multiply
    880,989.96x = 1,215,766.98 × 478,581.96
  4. Step 4: Simplify right side
    880,989.96x = 581,844,144,191.68
  5. Step 5: Solve for x
    x = 581,844,144,191.68/880,989.96
  6. Step 6: Final answer
    x = 660,443.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.