Home / 777,020.10-1,165,695.99-440,222.10

Finding the Fourth Proportional to 777,020.10, 1,165,695.99 and 440,222.10

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Solution

The fourth proportional to 777,020.10, 1,165,695.99 and 440,222.10 is: 660,427.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,020.10 : 1,165,695.99 = 440,222.10 : x
  2. Step 2: Convert to fraction form
    777,020.10/1,165,695.99 = 440,222.10/x
  3. Step 3: Cross multiply
    777,020.10x = 1,165,695.99 × 440,222.10
  4. Step 4: Simplify right side
    777,020.10x = 513,165,136,679.38
  5. Step 5: Solve for x
    x = 513,165,136,679.38/777,020.10
  6. Step 6: Final answer
    x = 660,427.11

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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.