Home / 876,345.82-1,314,585.20-236,640.24

Finding the Fourth Proportional to 876,345.82, 1,314,585.20 and 236,640.24

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Solution

The fourth proportional to 876,345.82, 1,314,585.20 and 236,640.24 is: 354,978.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,345.82 : 1,314,585.20 = 236,640.24 : x
  2. Step 2: Convert to fraction form
    876,345.82/1,314,585.20 = 236,640.24/x
  3. Step 3: Cross multiply
    876,345.82x = 1,314,585.20 × 236,640.24
  4. Step 4: Simplify right side
    876,345.82x = 311,083,757,820.05
  5. Step 5: Solve for x
    x = 311,083,757,820.05/876,345.82
  6. Step 6: Final answer
    x = 354,978.31

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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.