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Finding the Fourth Proportional to 587,254.20, 880,881.30 and 330,391.05

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Solution

The fourth proportional to 587,254.20, 880,881.30 and 330,391.05 is: 495,586.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,254.20 : 880,881.30 = 330,391.05 : x
  2. Step 2: Convert to fraction form
    587,254.20/880,881.30 = 330,391.05/x
  3. Step 3: Cross multiply
    587,254.20x = 880,881.30 × 330,391.05
  4. Step 4: Simplify right side
    587,254.20x = 291,035,297,632.37
  5. Step 5: Solve for x
    x = 291,035,297,632.37/587,254.20
  6. Step 6: Final answer
    x = 495,586.58

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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.