Home / 960,178.30-1,440,654.74-427,334.87

Finding the Fourth Proportional to 960,178.30, 1,440,654.74 and 427,334.87

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Solution

The fourth proportional to 960,178.30, 1,440,654.74 and 427,334.87 is: 641,174.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,178.30 : 1,440,654.74 = 427,334.87 : x
  2. Step 2: Convert to fraction form
    960,178.30/1,440,654.74 = 427,334.87/x
  3. Step 3: Cross multiply
    960,178.30x = 1,440,654.74 × 427,334.87
  4. Step 4: Simplify right side
    960,178.30x = 615,642,006,032.78
  5. Step 5: Solve for x
    x = 615,642,006,032.78/960,178.30
  6. Step 6: Final answer
    x = 641,174.67

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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.