Home / 851,321.13-1,174,822.79-488,768.37

Finding the Fourth Proportional to 851,321.13, 1,174,822.79 and 488,768.37

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Solution

The fourth proportional to 851,321.13, 1,174,822.79 and 488,768.37 is: 674,500.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,321.13 : 1,174,822.79 = 488,768.37 : x
  2. Step 2: Convert to fraction form
    851,321.13/1,174,822.79 = 488,768.37/x
  3. Step 3: Cross multiply
    851,321.13x = 1,174,822.79 × 488,768.37
  4. Step 4: Simplify right side
    851,321.13x = 574,216,217,663.31
  5. Step 5: Solve for x
    x = 574,216,217,663.31/851,321.13
  6. Step 6: Final answer
    x = 674,500.14

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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.