Home / 708,580.56-1,062,689.40-209,827.92

Finding the Fourth Proportional to 708,580.56, 1,062,689.40 and 209,827.92

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Solution

The fourth proportional to 708,580.56, 1,062,689.40 and 209,827.92 is: 314,688.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,580.56 : 1,062,689.40 = 209,827.92 : x
  2. Step 2: Convert to fraction form
    708,580.56/1,062,689.40 = 209,827.92/x
  3. Step 3: Cross multiply
    708,580.56x = 1,062,689.40 × 209,827.92
  4. Step 4: Simplify right side
    708,580.56x = 222,981,906,408.05
  5. Step 5: Solve for x
    x = 222,981,906,408.05/708,580.56
  6. Step 6: Final answer
    x = 314,688.15

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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.