Home / 558,708.64-771,035.40-317,001.40

Finding the Fourth Proportional to 558,708.64, 771,035.40 and 317,001.40

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Solution

The fourth proportional to 558,708.64, 771,035.40 and 317,001.40 is: 437,471.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,708.64 : 771,035.40 = 317,001.40 : x
  2. Step 2: Convert to fraction form
    558,708.64/771,035.40 = 317,001.40/x
  3. Step 3: Cross multiply
    558,708.64x = 771,035.40 × 317,001.40
  4. Step 4: Simplify right side
    558,708.64x = 244,419,301,249.56
  5. Step 5: Solve for x
    x = 244,419,301,249.56/558,708.64
  6. Step 6: Final answer
    x = 437,471.85

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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.