Home / 880,528.27-1,215,163.86-493,347.04

Finding the Fourth Proportional to 880,528.27, 1,215,163.86 and 493,347.04

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Solution

The fourth proportional to 880,528.27, 1,215,163.86 and 493,347.04 is: 680,838.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,528.27 : 1,215,163.86 = 493,347.04 : x
  2. Step 2: Convert to fraction form
    880,528.27/1,215,163.86 = 493,347.04/x
  3. Step 3: Cross multiply
    880,528.27x = 1,215,163.86 × 493,347.04
  4. Step 4: Simplify right side
    880,528.27x = 599,497,487,370.16
  5. Step 5: Solve for x
    x = 599,497,487,370.16/880,528.27
  6. Step 6: Final answer
    x = 680,838.43

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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.