Home / 874,370.60-1,311,602.74-275,378.43

Finding the Fourth Proportional to 874,370.60, 1,311,602.74 and 275,378.43

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Solution

The fourth proportional to 874,370.60, 1,311,602.74 and 275,378.43 is: 413,082.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,370.60 : 1,311,602.74 = 275,378.43 : x
  2. Step 2: Convert to fraction form
    874,370.60/1,311,602.74 = 275,378.43/x
  3. Step 3: Cross multiply
    874,370.60x = 1,311,602.74 × 275,378.43
  4. Step 4: Simplify right side
    874,370.60x = 361,187,102,636.45
  5. Step 5: Solve for x
    x = 361,187,102,636.45/874,370.60
  6. Step 6: Final answer
    x = 413,082.40

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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.