Home / 813,493.88-1,122,675.59-450,933.02

Finding the Fourth Proportional to 813,493.88, 1,122,675.59 and 450,933.02

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Solution

The fourth proportional to 813,493.88, 1,122,675.59 and 450,933.02 is: 622,317.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,493.88 : 1,122,675.59 = 450,933.02 : x
  2. Step 2: Convert to fraction form
    813,493.88/1,122,675.59 = 450,933.02/x
  3. Step 3: Cross multiply
    813,493.88x = 1,122,675.59 × 450,933.02
  4. Step 4: Simplify right side
    813,493.88x = 506,251,487,814.28
  5. Step 5: Solve for x
    x = 506,251,487,814.28/813,493.88
  6. Step 6: Final answer
    x = 622,317.52

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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.