Home / 778,728.20-1,168,092.30-474,297.80

Finding the Fourth Proportional to 778,728.20, 1,168,092.30 and 474,297.80

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Solution

The fourth proportional to 778,728.20, 1,168,092.30 and 474,297.80 is: 711,446.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,728.20 : 1,168,092.30 = 474,297.80 : x
  2. Step 2: Convert to fraction form
    778,728.20/1,168,092.30 = 474,297.80/x
  3. Step 3: Cross multiply
    778,728.20x = 1,168,092.30 × 474,297.80
  4. Step 4: Simplify right side
    778,728.20x = 554,023,608,086.94
  5. Step 5: Solve for x
    x = 554,023,608,086.94/778,728.20
  6. Step 6: Final answer
    x = 711,446.70

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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.