Home / 912,489.88-1,259,244.16-504,619.16

Finding the Fourth Proportional to 912,489.88, 1,259,244.16 and 504,619.16

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Solution

The fourth proportional to 912,489.88, 1,259,244.16 and 504,619.16 is: 696,378.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,489.88 : 1,259,244.16 = 504,619.16 : x
  2. Step 2: Convert to fraction form
    912,489.88/1,259,244.16 = 504,619.16/x
  3. Step 3: Cross multiply
    912,489.88x = 1,259,244.16 × 504,619.16
  4. Step 4: Simplify right side
    912,489.88x = 635,438,730,254.11
  5. Step 5: Solve for x
    x = 635,438,730,254.11/912,489.88
  6. Step 6: Final answer
    x = 696,378.93

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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.