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Finding the Fourth Proportional to 635,150.89, 876,476.04 and 377,038.87

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Solution

The fourth proportional to 635,150.89, 876,476.04 and 377,038.87 is: 520,294.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,150.89 : 876,476.04 = 377,038.87 : x
  2. Step 2: Convert to fraction form
    635,150.89/876,476.04 = 377,038.87/x
  3. Step 3: Cross multiply
    635,150.89x = 876,476.04 × 377,038.87
  4. Step 4: Simplify right side
    635,150.89x = 330,465,535,703.68
  5. Step 5: Solve for x
    x = 330,465,535,703.68/635,150.89
  6. Step 6: Final answer
    x = 520,294.53

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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.