Home / 874,481.88-1,312,470.50-342,376.58

Finding the Fourth Proportional to 874,481.88, 1,312,470.50 and 342,376.58

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Solution

The fourth proportional to 874,481.88, 1,312,470.50 and 342,376.58 is: 513,857.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,481.88 : 1,312,470.50 = 342,376.58 : x
  2. Step 2: Convert to fraction form
    874,481.88/1,312,470.50 = 342,376.58/x
  3. Step 3: Cross multiply
    874,481.88x = 1,312,470.50 × 342,376.58
  4. Step 4: Simplify right side
    874,481.88x = 449,359,161,140.89
  5. Step 5: Solve for x
    x = 449,359,161,140.89/874,481.88
  6. Step 6: Final answer
    x = 513,857.60

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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.