Home / 772,660.80-1,158,991.20-532,123.20

Finding the Fourth Proportional to 772,660.80, 1,158,991.20 and 532,123.20

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Solution

The fourth proportional to 772,660.80, 1,158,991.20 and 532,123.20 is: 798,184.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,660.80 : 1,158,991.20 = 532,123.20 : x
  2. Step 2: Convert to fraction form
    772,660.80/1,158,991.20 = 532,123.20/x
  3. Step 3: Cross multiply
    772,660.80x = 1,158,991.20 × 532,123.20
  4. Step 4: Simplify right side
    772,660.80x = 616,726,106,115.84
  5. Step 5: Solve for x
    x = 616,726,106,115.84/772,660.80
  6. Step 6: Final answer
    x = 798,184.80

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Double scale
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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.