Home / 680,637.10-1,020,717.65-200,737.61

Finding the Fourth Proportional to 680,637.10, 1,020,717.65 and 200,737.61

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Solution

The fourth proportional to 680,637.10, 1,020,717.65 and 200,737.61 is: 301,036.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,637.10 : 1,020,717.65 = 200,737.61 : x
  2. Step 2: Convert to fraction form
    680,637.10/1,020,717.65 = 200,737.61/x
  3. Step 3: Cross multiply
    680,637.10x = 1,020,717.65 × 200,737.61
  4. Step 4: Simplify right side
    680,637.10x = 204,896,420,542.13
  5. Step 5: Solve for x
    x = 204,896,420,542.13/680,637.10
  6. Step 6: Final answer
    x = 301,036.22

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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.