Home / 872,422.83-1,308,634.55-273,430.47

Finding the Fourth Proportional to 872,422.83, 1,308,634.55 and 273,430.47

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Solution

The fourth proportional to 872,422.83, 1,308,634.55 and 273,430.47 is: 410,145.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,422.83 : 1,308,634.55 = 273,430.47 : x
  2. Step 2: Convert to fraction form
    872,422.83/1,308,634.55 = 273,430.47/x
  3. Step 3: Cross multiply
    872,422.83x = 1,308,634.55 × 273,430.47
  4. Step 4: Simplify right side
    872,422.83x = 357,820,554,205.14
  5. Step 5: Solve for x
    x = 357,820,554,205.14/872,422.83
  6. Step 6: Final answer
    x = 410,145.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.