Home / 649,331.33-895,815.23-431,645.27

Finding the Fourth Proportional to 649,331.33, 895,815.23 and 431,645.27

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Solution

The fourth proportional to 649,331.33, 895,815.23 and 431,645.27 is: 595,496.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,331.33 : 895,815.23 = 431,645.27 : x
  2. Step 2: Convert to fraction form
    649,331.33/895,815.23 = 431,645.27/x
  3. Step 3: Cross multiply
    649,331.33x = 895,815.23 × 431,645.27
  4. Step 4: Simplify right side
    649,331.33x = 386,674,400,186.16
  5. Step 5: Solve for x
    x = 386,674,400,186.16/649,331.33
  6. Step 6: Final answer
    x = 595,496.30

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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.