Home / 754,165.42-1,040,721.69-414,631.06

Finding the Fourth Proportional to 754,165.42, 1,040,721.69 and 414,631.06

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Solution

The fourth proportional to 754,165.42, 1,040,721.69 and 414,631.06 is: 572,176.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,165.42 : 1,040,721.69 = 414,631.06 : x
  2. Step 2: Convert to fraction form
    754,165.42/1,040,721.69 = 414,631.06/x
  3. Step 3: Cross multiply
    754,165.42x = 1,040,721.69 × 414,631.06
  4. Step 4: Simplify right side
    754,165.42x = 431,515,537,489.69
  5. Step 5: Solve for x
    x = 431,515,537,489.69/754,165.42
  6. Step 6: Final answer
    x = 572,176.24

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1.5x scale

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.