Home / 988,325.70-1,484,238.15-764,231.10

Finding the Fourth Proportional to 988,325.70, 1,484,238.15 and 764,231.10

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Solution

The fourth proportional to 988,325.70, 1,484,238.15 and 764,231.10 is: 1,147,699.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,325.70 : 1,484,238.15 = 764,231.10 : x
  2. Step 2: Convert to fraction form
    988,325.70/1,484,238.15 = 764,231.10/x
  3. Step 3: Cross multiply
    988,325.70x = 1,484,238.15 × 764,231.10
  4. Step 4: Simplify right side
    988,325.70x = 1,134,300,954,036.46
  5. Step 5: Solve for x
    x = 1,134,300,954,036.46/988,325.70
  6. Step 6: Final answer
    x = 1,147,699.54

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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.