Home / 851,377.65-1,174,910.33-464,189.92

Finding the Fourth Proportional to 851,377.65, 1,174,910.33 and 464,189.92

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Solution

The fourth proportional to 851,377.65, 1,174,910.33 and 464,189.92 is: 640,587.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,377.65 : 1,174,910.33 = 464,189.92 : x
  2. Step 2: Convert to fraction form
    851,377.65/1,174,910.33 = 464,189.92/x
  3. Step 3: Cross multiply
    851,377.65x = 1,174,910.33 × 464,189.92
  4. Step 4: Simplify right side
    851,377.65x = 545,381,530,313.07
  5. Step 5: Solve for x
    x = 545,381,530,313.07/851,377.65
  6. Step 6: Final answer
    x = 640,587.09

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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.