Home / 635,465.55-876,731.24-377,421.42

Finding the Fourth Proportional to 635,465.55, 876,731.24 and 377,421.42

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Solution

The fourth proportional to 635,465.55, 876,731.24 and 377,421.42 is: 520,716.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,465.55 : 876,731.24 = 377,421.42 : x
  2. Step 2: Convert to fraction form
    635,465.55/876,731.24 = 377,421.42/x
  3. Step 3: Cross multiply
    635,465.55x = 876,731.24 × 377,421.42
  4. Step 4: Simplify right side
    635,465.55x = 330,897,153,790.46
  5. Step 5: Solve for x
    x = 330,897,153,790.46/635,465.55
  6. Step 6: Final answer
    x = 520,716.11

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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.