Home / 874,283.24-1,311,643.56-275,220.20

Finding the Fourth Proportional to 874,283.24, 1,311,643.56 and 275,220.20

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Solution

The fourth proportional to 874,283.24, 1,311,643.56 and 275,220.20 is: 412,899.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,283.24 : 1,311,643.56 = 275,220.20 : x
  2. Step 2: Convert to fraction form
    874,283.24/1,311,643.56 = 275,220.20/x
  3. Step 3: Cross multiply
    874,283.24x = 1,311,643.56 × 275,220.20
  4. Step 4: Simplify right side
    874,283.24x = 360,990,802,911.91
  5. Step 5: Solve for x
    x = 360,990,802,911.91/874,283.24
  6. Step 6: Final answer
    x = 412,899.15

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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.