Home / 726,560.46-1,089,841.59-347,392.05

Finding the Fourth Proportional to 726,560.46, 1,089,841.59 and 347,392.05

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Solution

The fourth proportional to 726,560.46, 1,089,841.59 and 347,392.05 is: 521,088.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,560.46 : 1,089,841.59 = 347,392.05 : x
  2. Step 2: Convert to fraction form
    726,560.46/1,089,841.59 = 347,392.05/x
  3. Step 3: Cross multiply
    726,560.46x = 1,089,841.59 × 347,392.05
  4. Step 4: Simplify right side
    726,560.46x = 378,602,304,125.36
  5. Step 5: Solve for x
    x = 378,602,304,125.36/726,560.46
  6. Step 6: Final answer
    x = 521,088.51

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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.