Home / 780,793.31-1,077,497.66-454,184.69

Finding the Fourth Proportional to 780,793.31, 1,077,497.66 and 454,184.69

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Solution

The fourth proportional to 780,793.31, 1,077,497.66 and 454,184.69 is: 626,776.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,793.31 : 1,077,497.66 = 454,184.69 : x
  2. Step 2: Convert to fraction form
    780,793.31/1,077,497.66 = 454,184.69/x
  3. Step 3: Cross multiply
    780,793.31x = 1,077,497.66 × 454,184.69
  4. Step 4: Simplify right side
    780,793.31x = 489,382,933,876.01
  5. Step 5: Solve for x
    x = 489,382,933,876.01/780,793.31
  6. Step 6: Final answer
    x = 626,776.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.