Home / 851,318.51-1,174,819.16-488,765.75

Finding the Fourth Proportional to 851,318.51, 1,174,819.16 and 488,765.75

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Solution

The fourth proportional to 851,318.51, 1,174,819.16 and 488,765.75 is: 674,496.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,318.51 : 1,174,819.16 = 488,765.75 : x
  2. Step 2: Convert to fraction form
    851,318.51/1,174,819.16 = 488,765.75/x
  3. Step 3: Cross multiply
    851,318.51x = 1,174,819.16 × 488,765.75
  4. Step 4: Simplify right side
    851,318.51x = 574,211,363,199.59
  5. Step 5: Solve for x
    x = 574,211,363,199.59/851,318.51
  6. Step 6: Final answer
    x = 674,496.51

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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.