Home / 851,317.38-1,174,817.61-488,764.62

Finding the Fourth Proportional to 851,317.38, 1,174,817.61 and 488,764.62

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Solution

The fourth proportional to 851,317.38, 1,174,817.61 and 488,764.62 is: 674,494.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,317.38 : 1,174,817.61 = 488,764.62 : x
  2. Step 2: Convert to fraction form
    851,317.38/1,174,817.61 = 488,764.62/x
  3. Step 3: Cross multiply
    851,317.38x = 1,174,817.61 × 488,764.62
  4. Step 4: Simplify right side
    851,317.38x = 574,209,282,720.96
  5. Step 5: Solve for x
    x = 574,209,282,720.96/851,317.38
  6. Step 6: Final answer
    x = 674,494.96

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Double scale
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1.5x scale

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.