Home / 719,224.11-1,078,894.49-239,434.58

Finding the Fourth Proportional to 719,224.11, 1,078,894.49 and 239,434.58

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Solution

The fourth proportional to 719,224.11, 1,078,894.49 and 239,434.58 is: 359,171.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,224.11 : 1,078,894.49 = 239,434.58 : x
  2. Step 2: Convert to fraction form
    719,224.11/1,078,894.49 = 239,434.58/x
  3. Step 3: Cross multiply
    719,224.11x = 1,078,894.49 × 239,434.58
  4. Step 4: Simplify right side
    719,224.11x = 258,324,650,577.53
  5. Step 5: Solve for x
    x = 258,324,650,577.53/719,224.11
  6. Step 6: Final answer
    x = 359,171.29

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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.