Home / 434,541.20-651,811.80-392,550.80

Finding the Fourth Proportional to 434,541.20, 651,811.80 and 392,550.80

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Solution

The fourth proportional to 434,541.20, 651,811.80 and 392,550.80 is: 588,826.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,541.20 : 651,811.80 = 392,550.80 : x
  2. Step 2: Convert to fraction form
    434,541.20/651,811.80 = 392,550.80/x
  3. Step 3: Cross multiply
    434,541.20x = 651,811.80 × 392,550.80
  4. Step 4: Simplify right side
    434,541.20x = 255,869,243,539.44
  5. Step 5: Solve for x
    x = 255,869,243,539.44/434,541.20
  6. Step 6: Final answer
    x = 588,826.20

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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.