Home / 874,479.88-1,312,467.50-342,374.58

Finding the Fourth Proportional to 874,479.88, 1,312,467.50 and 342,374.58

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Solution

The fourth proportional to 874,479.88, 1,312,467.50 and 342,374.58 is: 513,854.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,479.88 : 1,312,467.50 = 342,374.58 : x
  2. Step 2: Convert to fraction form
    874,479.88/1,312,467.50 = 342,374.58/x
  3. Step 3: Cross multiply
    874,479.88x = 1,312,467.50 × 342,374.58
  4. Step 4: Simplify right side
    874,479.88x = 449,355,509,076.15
  5. Step 5: Solve for x
    x = 449,355,509,076.15/874,479.88
  6. Step 6: Final answer
    x = 513,854.60

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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.