Home / 558,821.97-771,152.92-317,090.13

Finding the Fourth Proportional to 558,821.97, 771,152.92 and 317,090.13

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Solution

The fourth proportional to 558,821.97, 771,152.92 and 317,090.13 is: 437,572.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,821.97 : 771,152.92 = 317,090.13 : x
  2. Step 2: Convert to fraction form
    558,821.97/771,152.92 = 317,090.13/x
  3. Step 3: Cross multiply
    558,821.97x = 771,152.92 × 317,090.13
  4. Step 4: Simplify right side
    558,821.97x = 244,524,979,652.68
  5. Step 5: Solve for x
    x = 244,524,979,652.68/558,821.97
  6. Step 6: Final answer
    x = 437,572.24

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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.