Home / 789,980.04-1,182,643.74-489,494.88

Finding the Fourth Proportional to 789,980.04, 1,182,643.74 and 489,494.88

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Solution

The fourth proportional to 789,980.04, 1,182,643.74 and 489,494.88 is: 732,800.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,980.04 : 1,182,643.74 = 489,494.88 : x
  2. Step 2: Convert to fraction form
    789,980.04/1,182,643.74 = 489,494.88/x
  3. Step 3: Cross multiply
    789,980.04x = 1,182,643.74 × 489,494.88
  4. Step 4: Simplify right side
    789,980.04x = 578,898,055,594.05
  5. Step 5: Solve for x
    x = 578,898,055,594.05/789,980.04
  6. Step 6: Final answer
    x = 732,800.86

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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.