Home / 874,097.18-1,311,143.85-275,110.70

Finding the Fourth Proportional to 874,097.18, 1,311,143.85 and 275,110.70

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Solution

The fourth proportional to 874,097.18, 1,311,143.85 and 275,110.70 is: 412,665.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,097.18 : 1,311,143.85 = 275,110.70 : x
  2. Step 2: Convert to fraction form
    874,097.18/1,311,143.85 = 275,110.70/x
  3. Step 3: Cross multiply
    874,097.18x = 1,311,143.85 × 275,110.70
  4. Step 4: Simplify right side
    874,097.18x = 360,709,695,818.48
  5. Step 5: Solve for x
    x = 360,709,695,818.48/874,097.18
  6. Step 6: Final answer
    x = 412,665.44

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Double scale
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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.