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Finding the Fourth Proportional to 439,800.90, 659,701.35 and 350,571.30

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Solution

The fourth proportional to 439,800.90, 659,701.35 and 350,571.30 is: 525,856.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,800.90 : 659,701.35 = 350,571.30 : x
  2. Step 2: Convert to fraction form
    439,800.90/659,701.35 = 350,571.30/x
  3. Step 3: Cross multiply
    439,800.90x = 659,701.35 × 350,571.30
  4. Step 4: Simplify right side
    439,800.90x = 231,272,359,881.26
  5. Step 5: Solve for x
    x = 231,272,359,881.26/439,800.90
  6. Step 6: Final answer
    x = 525,856.95

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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.