Home / 754,400.78-1,041,052.31-414,869.03

Finding the Fourth Proportional to 754,400.78, 1,041,052.31 and 414,869.03

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Solution

The fourth proportional to 754,400.78, 1,041,052.31 and 414,869.03 is: 572,507.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,400.78 : 1,041,052.31 = 414,869.03 : x
  2. Step 2: Convert to fraction form
    754,400.78/1,041,052.31 = 414,869.03/x
  3. Step 3: Cross multiply
    754,400.78x = 1,041,052.31 × 414,869.03
  4. Step 4: Simplify right side
    754,400.78x = 431,900,361,764.82
  5. Step 5: Solve for x
    x = 431,900,361,764.82/754,400.78
  6. Step 6: Final answer
    x = 572,507.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.