Home / 778,440.60-1,167,660.90-565,864.20

Finding the Fourth Proportional to 778,440.60, 1,167,660.90 and 565,864.20

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Solution

The fourth proportional to 778,440.60, 1,167,660.90 and 565,864.20 is: 848,796.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,440.60 : 1,167,660.90 = 565,864.20 : x
  2. Step 2: Convert to fraction form
    778,440.60/1,167,660.90 = 565,864.20/x
  3. Step 3: Cross multiply
    778,440.60x = 1,167,660.90 × 565,864.20
  4. Step 4: Simplify right side
    778,440.60x = 660,737,501,049.78
  5. Step 5: Solve for x
    x = 660,737,501,049.78/778,440.60
  6. Step 6: Final answer
    x = 848,796.30

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Similar ratio
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1.5x scale

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.