Home / 998,985.25-1,378,571.65-546,266.53

Finding the Fourth Proportional to 998,985.25, 1,378,571.65 and 546,266.53

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Solution

The fourth proportional to 998,985.25, 1,378,571.65 and 546,266.53 is: 753,832.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,985.25 : 1,378,571.65 = 546,266.53 : x
  2. Step 2: Convert to fraction form
    998,985.25/1,378,571.65 = 546,266.53/x
  3. Step 3: Cross multiply
    998,985.25x = 1,378,571.65 × 546,266.53
  4. Step 4: Simplify right side
    998,985.25x = 753,067,555,032.17
  5. Step 5: Solve for x
    x = 753,067,555,032.17/998,985.25
  6. Step 6: Final answer
    x = 753,832.51

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1.5x scale

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.