Home / 764,480.30-1,147,606.28-410,186.30

Finding the Fourth Proportional to 764,480.30, 1,147,606.28 and 410,186.30

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Solution

The fourth proportional to 764,480.30, 1,147,606.28 and 410,186.30 is: 615,754.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,480.30 : 1,147,606.28 = 410,186.30 : x
  2. Step 2: Convert to fraction form
    764,480.30/1,147,606.28 = 410,186.30/x
  3. Step 3: Cross multiply
    764,480.30x = 1,147,606.28 × 410,186.30
  4. Step 4: Simplify right side
    764,480.30x = 470,732,367,599.20
  5. Step 5: Solve for x
    x = 470,732,367,599.20/764,480.30
  6. Step 6: Final answer
    x = 615,754.74

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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.