Home / 847,407.30-1,271,132.01-248,305.38

Finding the Fourth Proportional to 847,407.30, 1,271,132.01 and 248,305.38

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Solution

The fourth proportional to 847,407.30, 1,271,132.01 and 248,305.38 is: 372,464.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,407.30 : 1,271,132.01 = 248,305.38 : x
  2. Step 2: Convert to fraction form
    847,407.30/1,271,132.01 = 248,305.38/x
  3. Step 3: Cross multiply
    847,407.30x = 1,271,132.01 × 248,305.38
  4. Step 4: Simplify right side
    847,407.30x = 315,628,916,773.21
  5. Step 5: Solve for x
    x = 315,628,916,773.21/847,407.30
  6. Step 6: Final answer
    x = 372,464.24

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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.