Home / 891,152.28-1,336,194.36-283,678.20

Finding the Fourth Proportional to 891,152.28, 1,336,194.36 and 283,678.20

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Solution

The fourth proportional to 891,152.28, 1,336,194.36 and 283,678.20 is: 425,347.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,152.28 : 1,336,194.36 = 283,678.20 : x
  2. Step 2: Convert to fraction form
    891,152.28/1,336,194.36 = 283,678.20/x
  3. Step 3: Cross multiply
    891,152.28x = 1,336,194.36 × 283,678.20
  4. Step 4: Simplify right side
    891,152.28x = 379,049,210,894.95
  5. Step 5: Solve for x
    x = 379,049,210,894.95/891,152.28
  6. Step 6: Final answer
    x = 425,347.29

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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.