Home / 826,700.46-1,239,735.93-489,836.17

Finding the Fourth Proportional to 826,700.46, 1,239,735.93 and 489,836.17

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Solution

The fourth proportional to 826,700.46, 1,239,735.93 and 489,836.17 is: 734,567.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,700.46 : 1,239,735.93 = 489,836.17 : x
  2. Step 2: Convert to fraction form
    826,700.46/1,239,735.93 = 489,836.17/x
  3. Step 3: Cross multiply
    826,700.46x = 1,239,735.93 × 489,836.17
  4. Step 4: Simplify right side
    826,700.46x = 607,267,499,762.59
  5. Step 5: Solve for x
    x = 607,267,499,762.59/826,700.46
  6. Step 6: Final answer
    x = 734,567.75

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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.