Home / 389,788.74-584,703.75-123,570.02

Finding the Fourth Proportional to 389,788.74, 584,703.75 and 123,570.02

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Solution

The fourth proportional to 389,788.74, 584,703.75 and 123,570.02 is: 185,361.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,788.74 : 584,703.75 = 123,570.02 : x
  2. Step 2: Convert to fraction form
    389,788.74/584,703.75 = 123,570.02/x
  3. Step 3: Cross multiply
    389,788.74x = 584,703.75 × 123,570.02
  4. Step 4: Simplify right side
    389,788.74x = 72,251,854,081.58
  5. Step 5: Solve for x
    x = 72,251,854,081.58/389,788.74
  6. Step 6: Final answer
    x = 185,361.57

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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.