Home / 439,318.06-658,224.63-239,778.34

Finding the Fourth Proportional to 439,318.06, 658,224.63 and 239,778.34

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Solution

The fourth proportional to 439,318.06, 658,224.63 and 239,778.34 is: 359,256.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,318.06 : 658,224.63 = 239,778.34 : x
  2. Step 2: Convert to fraction form
    439,318.06/658,224.63 = 239,778.34/x
  3. Step 3: Cross multiply
    439,318.06x = 658,224.63 × 239,778.34
  4. Step 4: Simplify right side
    439,318.06x = 157,828,009,128.51
  5. Step 5: Solve for x
    x = 157,828,009,128.51/439,318.06
  6. Step 6: Final answer
    x = 359,256.82

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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.