Home / 558,998.11-771,378.46-317,285.60

Finding the Fourth Proportional to 558,998.11, 771,378.46 and 317,285.60

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Solution

The fourth proportional to 558,998.11, 771,378.46 and 317,285.60 is: 437,832.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,998.11 : 771,378.46 = 317,285.60 : x
  2. Step 2: Convert to fraction form
    558,998.11/771,378.46 = 317,285.60/x
  3. Step 3: Cross multiply
    558,998.11x = 771,378.46 × 317,285.60
  4. Step 4: Simplify right side
    558,998.11x = 244,747,277,508.18
  5. Step 5: Solve for x
    x = 244,747,277,508.18/558,998.11
  6. Step 6: Final answer
    x = 437,832.03

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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.