Home / 779,622.80-1,169,335.65-247,149.05

Finding the Fourth Proportional to 779,622.80, 1,169,335.65 and 247,149.05

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Solution

The fourth proportional to 779,622.80, 1,169,335.65 and 247,149.05 is: 370,692.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,622.80 : 1,169,335.65 = 247,149.05 : x
  2. Step 2: Convert to fraction form
    779,622.80/1,169,335.65 = 247,149.05/x
  3. Step 3: Cross multiply
    779,622.80x = 1,169,335.65 × 247,149.05
  4. Step 4: Simplify right side
    779,622.80x = 289,000,195,028.63
  5. Step 5: Solve for x
    x = 289,000,195,028.63/779,622.80
  6. Step 6: Final answer
    x = 370,692.33

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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.