Home / 762,775.40-1,144,163.10-194,155.40

Finding the Fourth Proportional to 762,775.40, 1,144,163.10 and 194,155.40

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Solution

The fourth proportional to 762,775.40, 1,144,163.10 and 194,155.40 is: 291,233.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,775.40 : 1,144,163.10 = 194,155.40 : x
  2. Step 2: Convert to fraction form
    762,775.40/1,144,163.10 = 194,155.40/x
  3. Step 3: Cross multiply
    762,775.40x = 1,144,163.10 × 194,155.40
  4. Step 4: Simplify right side
    762,775.40x = 222,145,444,345.74
  5. Step 5: Solve for x
    x = 222,145,444,345.74/762,775.40
  6. Step 6: Final answer
    x = 291,233.10

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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.