Home / 798,282.55-1,197,774.51-419,115.21

Finding the Fourth Proportional to 798,282.55, 1,197,774.51 and 419,115.21

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Solution

The fourth proportional to 798,282.55, 1,197,774.51 and 419,115.21 is: 628,856.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,282.55 : 1,197,774.51 = 419,115.21 : x
  2. Step 2: Convert to fraction form
    798,282.55/1,197,774.51 = 419,115.21/x
  3. Step 3: Cross multiply
    798,282.55x = 1,197,774.51 × 419,115.21
  4. Step 4: Simplify right side
    798,282.55x = 502,005,515,291.30
  5. Step 5: Solve for x
    x = 502,005,515,291.30/798,282.55
  6. Step 6: Final answer
    x = 628,856.93

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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.