Home / 723,201-1,085,004.58-267,785.40

Finding the Fourth Proportional to 723,201, 1,085,004.58 and 267,785.40

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Solution

The fourth proportional to 723,201, 1,085,004.58 and 267,785.40 is: 401,753.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,201 : 1,085,004.58 = 267,785.40 : x
  2. Step 2: Convert to fraction form
    723,201/1,085,004.58 = 267,785.40/x
  3. Step 3: Cross multiply
    723,201x = 1,085,004.58 × 267,785.40
  4. Step 4: Simplify right side
    723,201x = 290,548,385,457.13
  5. Step 5: Solve for x
    x = 290,548,385,457.13/723,201
  6. Step 6: Final answer
    x = 401,753.30

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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.