Home / 961,304.72-1,442,823.76-512,399.48

Finding the Fourth Proportional to 961,304.72, 1,442,823.76 and 512,399.48

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Solution

The fourth proportional to 961,304.72, 1,442,823.76 and 512,399.48 is: 769,061.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,304.72 : 1,442,823.76 = 512,399.48 : x
  2. Step 2: Convert to fraction form
    961,304.72/1,442,823.76 = 512,399.48/x
  3. Step 3: Cross multiply
    961,304.72x = 1,442,823.76 × 512,399.48
  4. Step 4: Simplify right side
    961,304.72x = 739,302,144,355.65
  5. Step 5: Solve for x
    x = 739,302,144,355.65/961,304.72
  6. Step 6: Final answer
    x = 769,061.18

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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.