Home / 698,943.30-1,049,192.55-433,004.10

Finding the Fourth Proportional to 698,943.30, 1,049,192.55 and 433,004.10

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Solution

The fourth proportional to 698,943.30, 1,049,192.55 and 433,004.10 is: 649,987.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,943.30 : 1,049,192.55 = 433,004.10 : x
  2. Step 2: Convert to fraction form
    698,943.30/1,049,192.55 = 433,004.10/x
  3. Step 3: Cross multiply
    698,943.30x = 1,049,192.55 × 433,004.10
  4. Step 4: Simplify right side
    698,943.30x = 454,304,675,839.46
  5. Step 5: Solve for x
    x = 454,304,675,839.46/698,943.30
  6. Step 6: Final answer
    x = 649,987.88

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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.