Home / 874,363.19-1,311,591.60-275,370.98

Finding the Fourth Proportional to 874,363.19, 1,311,591.60 and 275,370.98

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Solution

The fourth proportional to 874,363.19, 1,311,591.60 and 275,370.98 is: 413,071.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,363.19 : 1,311,591.60 = 275,370.98 : x
  2. Step 2: Convert to fraction form
    874,363.19/1,311,591.60 = 275,370.98/x
  3. Step 3: Cross multiply
    874,363.19x = 1,311,591.60 × 275,370.98
  4. Step 4: Simplify right side
    874,363.19x = 361,174,264,251.77
  5. Step 5: Solve for x
    x = 361,174,264,251.77/874,363.19
  6. Step 6: Final answer
    x = 413,071.21

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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.