Home / 389,864.94-584,818.26-123,646.69

Finding the Fourth Proportional to 389,864.94, 584,818.26 and 123,646.69

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Solution

The fourth proportional to 389,864.94, 584,818.26 and 123,646.69 is: 185,476.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,864.94 : 584,818.26 = 123,646.69 : x
  2. Step 2: Convert to fraction form
    389,864.94/584,818.26 = 123,646.69/x
  3. Step 3: Cross multiply
    389,864.94x = 584,818.26 × 123,646.69
  4. Step 4: Simplify right side
    389,864.94x = 72,310,842,100.56
  5. Step 5: Solve for x
    x = 72,310,842,100.56/389,864.94
  6. Step 6: Final answer
    x = 185,476.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.