Home / 961,294.96-1,442,809.14-512,389.72

Finding the Fourth Proportional to 961,294.96, 1,442,809.14 and 512,389.72

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Solution

The fourth proportional to 961,294.96, 1,442,809.14 and 512,389.72 is: 769,046.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,294.96 : 1,442,809.14 = 512,389.72 : x
  2. Step 2: Convert to fraction form
    961,294.96/1,442,809.14 = 512,389.72/x
  3. Step 3: Cross multiply
    961,294.96x = 1,442,809.14 × 512,389.72
  4. Step 4: Simplify right side
    961,294.96x = 739,280,571,258.04
  5. Step 5: Solve for x
    x = 739,280,571,258.04/961,294.96
  6. Step 6: Final answer
    x = 769,046.55

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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.