Home / 635,142.18-876,464.05-377,030.17

Finding the Fourth Proportional to 635,142.18, 876,464.05 and 377,030.17

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Solution

The fourth proportional to 635,142.18, 876,464.05 and 377,030.17 is: 520,282.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,142.18 : 876,464.05 = 377,030.17 : x
  2. Step 2: Convert to fraction form
    635,142.18/876,464.05 = 377,030.17/x
  3. Step 3: Cross multiply
    635,142.18x = 876,464.05 × 377,030.17
  4. Step 4: Simplify right side
    635,142.18x = 330,453,389,770.39
  5. Step 5: Solve for x
    x = 330,453,389,770.39/635,142.18
  6. Step 6: Final answer
    x = 520,282.54

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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.