Home / 743,801.04-1,115,072.76-322,758.48

Finding the Fourth Proportional to 743,801.04, 1,115,072.76 and 322,758.48

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Solution

The fourth proportional to 743,801.04, 1,115,072.76 and 322,758.48 is: 483,864.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,801.04 : 1,115,072.76 = 322,758.48 : x
  2. Step 2: Convert to fraction form
    743,801.04/1,115,072.76 = 322,758.48/x
  3. Step 3: Cross multiply
    743,801.04x = 1,115,072.76 × 322,758.48
  4. Step 4: Simplify right side
    743,801.04x = 359,899,189,107.01
  5. Step 5: Solve for x
    x = 359,899,189,107.01/743,801.04
  6. Step 6: Final answer
    x = 483,864.86

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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.