Home / 880,822.75-1,215,536.61-478,414.75

Finding the Fourth Proportional to 880,822.75, 1,215,536.61 and 478,414.75

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Solution

The fourth proportional to 880,822.75, 1,215,536.61 and 478,414.75 is: 660,213.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,822.75 : 1,215,536.61 = 478,414.75 : x
  2. Step 2: Convert to fraction form
    880,822.75/1,215,536.61 = 478,414.75/x
  3. Step 3: Cross multiply
    880,822.75x = 1,215,536.61 × 478,414.75
  4. Step 4: Simplify right side
    880,822.75x = 581,530,643,389.00
  5. Step 5: Solve for x
    x = 581,530,643,389.00/880,822.75
  6. Step 6: Final answer
    x = 660,213.01

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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.