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Finding the Fourth Proportional to 649,164.88, 895,694 and 377,071.10

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Solution

The fourth proportional to 649,164.88, 895,694 and 377,071.10 is: 520,268.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,164.88 : 895,694 = 377,071.10 : x
  2. Step 2: Convert to fraction form
    649,164.88/895,694 = 377,071.10/x
  3. Step 3: Cross multiply
    649,164.88x = 895,694 × 377,071.10
  4. Step 4: Simplify right side
    649,164.88x = 337,740,321,843.40
  5. Step 5: Solve for x
    x = 337,740,321,843.40/649,164.88
  6. Step 6: Final answer
    x = 520,268.94

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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.