Home / 948,739.77-1,423,109.57-274,821.30

Finding the Fourth Proportional to 948,739.77, 1,423,109.57 and 274,821.30

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Solution

The fourth proportional to 948,739.77, 1,423,109.57 and 274,821.30 is: 412,231.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,739.77 : 1,423,109.57 = 274,821.30 : x
  2. Step 2: Convert to fraction form
    948,739.77/1,423,109.57 = 274,821.30/x
  3. Step 3: Cross multiply
    948,739.77x = 1,423,109.57 × 274,821.30
  4. Step 4: Simplify right side
    948,739.77x = 391,100,820,695.74
  5. Step 5: Solve for x
    x = 391,100,820,695.74/948,739.77
  6. Step 6: Final answer
    x = 412,231.92

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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.