Home / 753,587.26-1,039,890.09-431,223.46

Finding the Fourth Proportional to 753,587.26, 1,039,890.09 and 431,223.46

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Solution

The fourth proportional to 753,587.26, 1,039,890.09 and 431,223.46 is: 595,053.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,587.26 : 1,039,890.09 = 431,223.46 : x
  2. Step 2: Convert to fraction form
    753,587.26/1,039,890.09 = 431,223.46/x
  3. Step 3: Cross multiply
    753,587.26x = 1,039,890.09 × 431,223.46
  4. Step 4: Simplify right side
    753,587.26x = 448,425,002,629.51
  5. Step 5: Solve for x
    x = 448,425,002,629.51/753,587.26
  6. Step 6: Final answer
    x = 595,053.85

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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.