Home / 999,266.25-1,498,912.13-289,294.97

Finding the Fourth Proportional to 999,266.25, 1,498,912.13 and 289,294.97

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Solution

The fourth proportional to 999,266.25, 1,498,912.13 and 289,294.97 is: 433,946.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,266.25 : 1,498,912.13 = 289,294.97 : x
  2. Step 2: Convert to fraction form
    999,266.25/1,498,912.13 = 289,294.97/x
  3. Step 3: Cross multiply
    999,266.25x = 1,498,912.13 × 289,294.97
  4. Step 4: Simplify right side
    999,266.25x = 433,627,744,151.50
  5. Step 5: Solve for x
    x = 433,627,744,151.50/999,266.25
  6. Step 6: Final answer
    x = 433,946.15

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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.