Home / 659,263.44-988,895.12-238,440.88

Finding the Fourth Proportional to 659,263.44, 988,895.12 and 238,440.88

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Solution

The fourth proportional to 659,263.44, 988,895.12 and 238,440.88 is: 357,661.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,263.44 : 988,895.12 = 238,440.88 : x
  2. Step 2: Convert to fraction form
    659,263.44/988,895.12 = 238,440.88/x
  3. Step 3: Cross multiply
    659,263.44x = 988,895.12 × 238,440.88
  4. Step 4: Simplify right side
    659,263.44x = 235,793,022,640.51
  5. Step 5: Solve for x
    x = 235,793,022,640.51/659,263.44
  6. Step 6: Final answer
    x = 357,661.31

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1.5x scale

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.