Home / 988,334.70-1,484,251.65-764,240.10

Finding the Fourth Proportional to 988,334.70, 1,484,251.65 and 764,240.10

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Solution

The fourth proportional to 988,334.70, 1,484,251.65 and 764,240.10 is: 1,147,713.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,334.70 : 1,484,251.65 = 764,240.10 : x
  2. Step 2: Convert to fraction form
    988,334.70/1,484,251.65 = 764,240.10/x
  3. Step 3: Cross multiply
    988,334.70x = 1,484,251.65 × 764,240.10
  4. Step 4: Simplify right side
    988,334.70x = 1,134,324,629,421.16
  5. Step 5: Solve for x
    x = 1,134,324,629,421.16/988,334.70
  6. Step 6: Final answer
    x = 1,147,713.05

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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.