Home / 874,883.62-1,312,200.81-275,766.91

Finding the Fourth Proportional to 874,883.62, 1,312,200.81 and 275,766.91

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Solution

The fourth proportional to 874,883.62, 1,312,200.81 and 275,766.91 is: 413,611.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,883.62 : 1,312,200.81 = 275,766.91 : x
  2. Step 2: Convert to fraction form
    874,883.62/1,312,200.81 = 275,766.91/x
  3. Step 3: Cross multiply
    874,883.62x = 1,312,200.81 × 275,766.91
  4. Step 4: Simplify right side
    874,883.62x = 361,861,562,673.20
  5. Step 5: Solve for x
    x = 361,861,562,673.20/874,883.62
  6. Step 6: Final answer
    x = 413,611.08

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1.5x scale

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.