Home / 757,309.88-1,045,086.23-413,145.83

Finding the Fourth Proportional to 757,309.88, 1,045,086.23 and 413,145.83

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Solution

The fourth proportional to 757,309.88, 1,045,086.23 and 413,145.83 is: 570,140.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,309.88 : 1,045,086.23 = 413,145.83 : x
  2. Step 2: Convert to fraction form
    757,309.88/1,045,086.23 = 413,145.83/x
  3. Step 3: Cross multiply
    757,309.88x = 1,045,086.23 × 413,145.83
  4. Step 4: Simplify right side
    757,309.88x = 431,773,010,623.76
  5. Step 5: Solve for x
    x = 431,773,010,623.76/757,309.88
  6. Step 6: Final answer
    x = 570,140.47

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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.