Home / 894,274.56-1,234,122.24-491,877.12

Finding the Fourth Proportional to 894,274.56, 1,234,122.24 and 491,877.12

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Solution

The fourth proportional to 894,274.56, 1,234,122.24 and 491,877.12 is: 678,803.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,274.56 : 1,234,122.24 = 491,877.12 : x
  2. Step 2: Convert to fraction form
    894,274.56/1,234,122.24 = 491,877.12/x
  3. Step 3: Cross multiply
    894,274.56x = 1,234,122.24 × 491,877.12
  4. Step 4: Simplify right side
    894,274.56x = 607,036,493,139.15
  5. Step 5: Solve for x
    x = 607,036,493,139.15/894,274.56
  6. Step 6: Final answer
    x = 678,803.27

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.