Home / 659,240.46-988,899.30-254,434.86

Finding the Fourth Proportional to 659,240.46, 988,899.30 and 254,434.86

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Solution

The fourth proportional to 659,240.46, 988,899.30 and 254,434.86 is: 381,667.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,240.46 : 988,899.30 = 254,434.86 : x
  2. Step 2: Convert to fraction form
    659,240.46/988,899.30 = 254,434.86/x
  3. Step 3: Cross multiply
    659,240.46x = 988,899.30 × 254,434.86
  4. Step 4: Simplify right side
    659,240.46x = 251,610,454,949.60
  5. Step 5: Solve for x
    x = 251,610,454,949.60/659,240.46
  6. Step 6: Final answer
    x = 381,667.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.