Home / 910,993.35-1,366,490.03-311,901.15

Finding the Fourth Proportional to 910,993.35, 1,366,490.03 and 311,901.15

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Solution

The fourth proportional to 910,993.35, 1,366,490.03 and 311,901.15 is: 467,851.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,993.35 : 1,366,490.03 = 311,901.15 : x
  2. Step 2: Convert to fraction form
    910,993.35/1,366,490.03 = 311,901.15/x
  3. Step 3: Cross multiply
    910,993.35x = 1,366,490.03 × 311,901.15
  4. Step 4: Simplify right side
    910,993.35x = 426,209,810,261.03
  5. Step 5: Solve for x
    x = 426,209,810,261.03/910,993.35
  6. Step 6: Final answer
    x = 467,851.73

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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.