Home / 874,284.91-1,311,312.51-275,249.20

Finding the Fourth Proportional to 874,284.91, 1,311,312.51 and 275,249.20

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Solution

The fourth proportional to 874,284.91, 1,311,312.51 and 275,249.20 is: 412,837.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,284.91 : 1,311,312.51 = 275,249.20 : x
  2. Step 2: Convert to fraction form
    874,284.91/1,311,312.51 = 275,249.20/x
  3. Step 3: Cross multiply
    874,284.91x = 1,311,312.51 × 275,249.20
  4. Step 4: Simplify right side
    874,284.91x = 360,937,719,327.49
  5. Step 5: Solve for x
    x = 360,937,719,327.49/874,284.91
  6. Step 6: Final answer
    x = 412,837.64

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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.