Home / 754,397.09-1,040,989.25-432,120.77

Finding the Fourth Proportional to 754,397.09, 1,040,989.25 and 432,120.77

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Solution

The fourth proportional to 754,397.09, 1,040,989.25 and 432,120.77 is: 596,281.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,397.09 : 1,040,989.25 = 432,120.77 : x
  2. Step 2: Convert to fraction form
    754,397.09/1,040,989.25 = 432,120.77/x
  3. Step 3: Cross multiply
    754,397.09x = 1,040,989.25 × 432,120.77
  4. Step 4: Simplify right side
    754,397.09x = 449,833,076,271.72
  5. Step 5: Solve for x
    x = 449,833,076,271.72/754,397.09
  6. Step 6: Final answer
    x = 596,281.56

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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.