Home / 949,667.72-1,310,489.52-519,864.71

Finding the Fourth Proportional to 949,667.72, 1,310,489.52 and 519,864.71

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Solution

The fourth proportional to 949,667.72, 1,310,489.52 and 519,864.71 is: 717,384.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,667.72 : 1,310,489.52 = 519,864.71 : x
  2. Step 2: Convert to fraction form
    949,667.72/1,310,489.52 = 519,864.71/x
  3. Step 3: Cross multiply
    949,667.72x = 1,310,489.52 × 519,864.71
  4. Step 4: Simplify right side
    949,667.72x = 681,277,247,720.39
  5. Step 5: Solve for x
    x = 681,277,247,720.39/949,667.72
  6. Step 6: Final answer
    x = 717,384.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.