Home / 912,380.07-1,259,030.34-504,449.90

Finding the Fourth Proportional to 912,380.07, 1,259,030.34 and 504,449.90

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Solution

The fourth proportional to 912,380.07, 1,259,030.34 and 504,449.90 is: 696,110.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,380.07 : 1,259,030.34 = 504,449.90 : x
  2. Step 2: Convert to fraction form
    912,380.07/1,259,030.34 = 504,449.90/x
  3. Step 3: Cross multiply
    912,380.07x = 1,259,030.34 × 504,449.90
  4. Step 4: Simplify right side
    912,380.07x = 635,117,722,814.81
  5. Step 5: Solve for x
    x = 635,117,722,814.81/912,380.07
  6. Step 6: Final answer
    x = 696,110.91

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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.