Home / 498,837.36-748,366.61-143,823.68

Finding the Fourth Proportional to 498,837.36, 748,366.61 and 143,823.68

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Solution

The fourth proportional to 498,837.36, 748,366.61 and 143,823.68 is: 215,767.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,837.36 : 748,366.61 = 143,823.68 : x
  2. Step 2: Convert to fraction form
    498,837.36/748,366.61 = 143,823.68/x
  3. Step 3: Cross multiply
    498,837.36x = 748,366.61 × 143,823.68
  4. Step 4: Simplify right side
    498,837.36x = 107,632,839,839.33
  5. Step 5: Solve for x
    x = 107,632,839,839.33/498,837.36
  6. Step 6: Final answer
    x = 215,767.40

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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.