Home / 880,563.56-1,215,207.76-493,395.16

Finding the Fourth Proportional to 880,563.56, 1,215,207.76 and 493,395.16

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Solution

The fourth proportional to 880,563.56, 1,215,207.76 and 493,395.16 is: 680,902.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,563.56 : 1,215,207.76 = 493,395.16 : x
  2. Step 2: Convert to fraction form
    880,563.56/1,215,207.76 = 493,395.16/x
  3. Step 3: Cross multiply
    880,563.56x = 1,215,207.76 × 493,395.16
  4. Step 4: Simplify right side
    880,563.56x = 599,577,627,178.44
  5. Step 5: Solve for x
    x = 599,577,627,178.44/880,563.56
  6. Step 6: Final answer
    x = 680,902.16

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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.