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Finding the Fourth Proportional to 587,986.60, 880,230.30 and 351,207.40

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Solution

The fourth proportional to 587,986.60, 880,230.30 and 351,207.40 is: 525,766.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,986.60 : 880,230.30 = 351,207.40 : x
  2. Step 2: Convert to fraction form
    587,986.60/880,230.30 = 351,207.40/x
  3. Step 3: Cross multiply
    587,986.60x = 880,230.30 × 351,207.40
  4. Step 4: Simplify right side
    587,986.60x = 309,143,395,064.22
  5. Step 5: Solve for x
    x = 309,143,395,064.22/587,986.60
  6. Step 6: Final answer
    x = 525,766.05

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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.