Home / 874,359.83-1,311,586.55-275,367.63

Finding the Fourth Proportional to 874,359.83, 1,311,586.55 and 275,367.63

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Solution

The fourth proportional to 874,359.83, 1,311,586.55 and 275,367.63 is: 413,066.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,359.83 : 1,311,586.55 = 275,367.63 : x
  2. Step 2: Convert to fraction form
    874,359.83/1,311,586.55 = 275,367.63/x
  3. Step 3: Cross multiply
    874,359.83x = 1,311,586.55 × 275,367.63
  4. Step 4: Simplify right side
    874,359.83x = 361,168,479,813.38
  5. Step 5: Solve for x
    x = 361,168,479,813.38/874,359.83
  6. Step 6: Final answer
    x = 413,066.19

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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.