Home / 717,351.12-1,074,845.67-501,231.78

Finding the Fourth Proportional to 717,351.12, 1,074,845.67 and 501,231.78

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Solution

The fourth proportional to 717,351.12, 1,074,845.67 and 501,231.78 is: 751,022.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,351.12 : 1,074,845.67 = 501,231.78 : x
  2. Step 2: Convert to fraction form
    717,351.12/1,074,845.67 = 501,231.78/x
  3. Step 3: Cross multiply
    717,351.12x = 1,074,845.67 × 501,231.78
  4. Step 4: Simplify right side
    717,351.12x = 538,746,808,399.39
  5. Step 5: Solve for x
    x = 538,746,808,399.39/717,351.12
  6. Step 6: Final answer
    x = 751,022.47

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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.