Home / 719,191.47-1,078,506.54-269,667.12

Finding the Fourth Proportional to 719,191.47, 1,078,506.54 and 269,667.12

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Solution

The fourth proportional to 719,191.47, 1,078,506.54 and 269,667.12 is: 404,395.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,191.47 : 1,078,506.54 = 269,667.12 : x
  2. Step 2: Convert to fraction form
    719,191.47/1,078,506.54 = 269,667.12/x
  3. Step 3: Cross multiply
    719,191.47x = 1,078,506.54 × 269,667.12
  4. Step 4: Simplify right side
    719,191.47x = 290,837,752,542.97
  5. Step 5: Solve for x
    x = 290,837,752,542.97/719,191.47
  6. Step 6: Final answer
    x = 404,395.44

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Double scale
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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.