Home / 439,768.20-658,803.42-262,417.08

Finding the Fourth Proportional to 439,768.20, 658,803.42 and 262,417.08

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Solution

The fourth proportional to 439,768.20, 658,803.42 and 262,417.08 is: 393,119.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,768.20 : 658,803.42 = 262,417.08 : x
  2. Step 2: Convert to fraction form
    439,768.20/658,803.42 = 262,417.08/x
  3. Step 3: Cross multiply
    439,768.20x = 658,803.42 × 262,417.08
  4. Step 4: Simplify right side
    439,768.20x = 172,881,269,770.41
  5. Step 5: Solve for x
    x = 172,881,269,770.41/439,768.20
  6. Step 6: Final answer
    x = 393,119.08

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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.