Home / 910,399.54-1,256,163.81-523,140.13

Finding the Fourth Proportional to 910,399.54, 1,256,163.81 and 523,140.13

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Solution

The fourth proportional to 910,399.54, 1,256,163.81 and 523,140.13 is: 721,825.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,399.54 : 1,256,163.81 = 523,140.13 : x
  2. Step 2: Convert to fraction form
    910,399.54/1,256,163.81 = 523,140.13/x
  3. Step 3: Cross multiply
    910,399.54x = 1,256,163.81 × 523,140.13
  4. Step 4: Simplify right side
    910,399.54x = 657,149,698,864.70
  5. Step 5: Solve for x
    x = 657,149,698,864.70/910,399.54
  6. Step 6: Final answer
    x = 721,825.61

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