Home / 703,268.19-970,510.55-380,979.56

Finding the Fourth Proportional to 703,268.19, 970,510.55 and 380,979.56

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Solution

The fourth proportional to 703,268.19, 970,510.55 and 380,979.56 is: 525,752.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,268.19 : 970,510.55 = 380,979.56 : x
  2. Step 2: Convert to fraction form
    703,268.19/970,510.55 = 380,979.56/x
  3. Step 3: Cross multiply
    703,268.19x = 970,510.55 × 380,979.56
  4. Step 4: Simplify right side
    703,268.19x = 369,744,675,556.91
  5. Step 5: Solve for x
    x = 369,744,675,556.91/703,268.19
  6. Step 6: Final answer
    x = 525,752.03

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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.