Home / 439,320.42-658,228.28-239,780.84

Finding the Fourth Proportional to 439,320.42, 658,228.28 and 239,780.84

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Solution

The fourth proportional to 439,320.42, 658,228.28 and 239,780.84 is: 359,260.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,320.42 : 658,228.28 = 239,780.84 : x
  2. Step 2: Convert to fraction form
    439,320.42/658,228.28 = 239,780.84/x
  3. Step 3: Cross multiply
    439,320.42x = 658,228.28 × 239,780.84
  4. Step 4: Simplify right side
    439,320.42x = 157,830,525,400.11
  5. Step 5: Solve for x
    x = 157,830,525,400.11/439,320.42
  6. Step 6: Final answer
    x = 359,260.62

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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.