Home / 587,198.20-880,106.10-439,281.40

Finding the Fourth Proportional to 587,198.20, 880,106.10 and 439,281.40

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Solution

The fourth proportional to 587,198.20, 880,106.10 and 439,281.40 is: 658,405.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,198.20 : 880,106.10 = 439,281.40 : x
  2. Step 2: Convert to fraction form
    587,198.20/880,106.10 = 439,281.40/x
  3. Step 3: Cross multiply
    587,198.20x = 880,106.10 × 439,281.40
  4. Step 4: Simplify right side
    587,198.20x = 386,614,239,756.54
  5. Step 5: Solve for x
    x = 386,614,239,756.54/587,198.20
  6. Step 6: Final answer
    x = 658,405.02

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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.