Home / 951,721.20-1,313,423.37-522,041.31

Finding the Fourth Proportional to 951,721.20, 1,313,423.37 and 522,041.31

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Solution

The fourth proportional to 951,721.20, 1,313,423.37 and 522,041.31 is: 720,443.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,721.20 : 1,313,423.37 = 522,041.31 : x
  2. Step 2: Convert to fraction form
    951,721.20/1,313,423.37 = 522,041.31/x
  3. Step 3: Cross multiply
    951,721.20x = 1,313,423.37 × 522,041.31
  4. Step 4: Simplify right side
    951,721.20x = 685,661,256,659.42
  5. Step 5: Solve for x
    x = 685,661,256,659.42/951,721.20
  6. Step 6: Final answer
    x = 720,443.40

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1.5x scale

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.