Home / 891,152.80-1,336,729.20-849,680.80

Finding the Fourth Proportional to 891,152.80, 1,336,729.20 and 849,680.80

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Solution

The fourth proportional to 891,152.80, 1,336,729.20 and 849,680.80 is: 1,274,521.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,152.80 : 1,336,729.20 = 849,680.80 : x
  2. Step 2: Convert to fraction form
    891,152.80/1,336,729.20 = 849,680.80/x
  3. Step 3: Cross multiply
    891,152.80x = 1,336,729.20 × 849,680.80
  4. Step 4: Simplify right side
    891,152.80x = 1,135,793,136,039.36
  5. Step 5: Solve for x
    x = 1,135,793,136,039.36/891,152.80
  6. Step 6: Final answer
    x = 1,274,521.20

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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.