Home / 808,230.30-1,211,567.85-628,215.90

Finding the Fourth Proportional to 808,230.30, 1,211,567.85 and 628,215.90

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Solution

The fourth proportional to 808,230.30, 1,211,567.85 and 628,215.90 is: 941,719.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,230.30 : 1,211,567.85 = 628,215.90 : x
  2. Step 2: Convert to fraction form
    808,230.30/1,211,567.85 = 628,215.90/x
  3. Step 3: Cross multiply
    808,230.30x = 1,211,567.85 × 628,215.90
  4. Step 4: Simplify right side
    808,230.30x = 761,126,187,298.82
  5. Step 5: Solve for x
    x = 761,126,187,298.82/808,230.30
  6. Step 6: Final answer
    x = 941,719.44

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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.