Home / 826,701.46-1,239,737.43-489,837.17

Finding the Fourth Proportional to 826,701.46, 1,239,737.43 and 489,837.17

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Solution

The fourth proportional to 826,701.46, 1,239,737.43 and 489,837.17 is: 734,569.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,701.46 : 1,239,737.43 = 489,837.17 : x
  2. Step 2: Convert to fraction form
    826,701.46/1,239,737.43 = 489,837.17/x
  3. Step 3: Cross multiply
    826,701.46x = 1,239,737.43 × 489,837.17
  4. Step 4: Simplify right side
    826,701.46x = 607,269,474,254.27
  5. Step 5: Solve for x
    x = 607,269,474,254.27/826,701.46
  6. Step 6: Final answer
    x = 734,569.25

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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.