Home / 434,133.20-651,199.80-394,734.80

Finding the Fourth Proportional to 434,133.20, 651,199.80 and 394,734.80

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Solution

The fourth proportional to 434,133.20, 651,199.80 and 394,734.80 is: 592,102.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,133.20 : 651,199.80 = 394,734.80 : x
  2. Step 2: Convert to fraction form
    434,133.20/651,199.80 = 394,734.80/x
  3. Step 3: Cross multiply
    434,133.20x = 651,199.80 × 394,734.80
  4. Step 4: Simplify right side
    434,133.20x = 257,051,222,813.04
  5. Step 5: Solve for x
    x = 257,051,222,813.04/434,133.20
  6. Step 6: Final answer
    x = 592,102.20

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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.