Home / 912,581.16-1,259,370.36-504,661.92

Finding the Fourth Proportional to 912,581.16, 1,259,370.36 and 504,661.92

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Solution

The fourth proportional to 912,581.16, 1,259,370.36 and 504,661.92 is: 696,438.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,581.16 : 1,259,370.36 = 504,661.92 : x
  2. Step 2: Convert to fraction form
    912,581.16/1,259,370.36 = 504,661.92/x
  3. Step 3: Cross multiply
    912,581.16x = 1,259,370.36 × 504,661.92
  4. Step 4: Simplify right side
    912,581.16x = 635,556,263,868.69
  5. Step 5: Solve for x
    x = 635,556,263,868.69/912,581.16
  6. Step 6: Final answer
    x = 696,438.07

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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.