Home / 811,152.20-1,216,322.22-250,113.80

Finding the Fourth Proportional to 811,152.20, 1,216,322.22 and 250,113.80

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Solution

The fourth proportional to 811,152.20, 1,216,322.22 and 250,113.80 is: 375,045.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,152.20 : 1,216,322.22 = 250,113.80 : x
  2. Step 2: Convert to fraction form
    811,152.20/1,216,322.22 = 250,113.80/x
  3. Step 3: Cross multiply
    811,152.20x = 1,216,322.22 × 250,113.80
  4. Step 4: Simplify right side
    811,152.20x = 304,218,972,468.64
  5. Step 5: Solve for x
    x = 304,218,972,468.64/811,152.20
  6. Step 6: Final answer
    x = 375,045.49

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Double scale
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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.