Home / 898,971.75-1,240,581.02-516,990.33

Finding the Fourth Proportional to 898,971.75, 1,240,581.02 and 516,990.33

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Solution

The fourth proportional to 898,971.75, 1,240,581.02 and 516,990.33 is: 713,446.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,971.75 : 1,240,581.02 = 516,990.33 : x
  2. Step 2: Convert to fraction form
    898,971.75/1,240,581.02 = 516,990.33/x
  3. Step 3: Cross multiply
    898,971.75x = 1,240,581.02 × 516,990.33
  4. Step 4: Simplify right side
    898,971.75x = 641,368,388,336.59
  5. Step 5: Solve for x
    x = 641,368,388,336.59/898,971.75
  6. Step 6: Final answer
    x = 713,446.66

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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.