Home / 703,268.57-970,511.07-380,979.93

Finding the Fourth Proportional to 703,268.57, 970,511.07 and 380,979.93

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Solution

The fourth proportional to 703,268.57, 970,511.07 and 380,979.93 is: 525,752.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,268.57 : 970,511.07 = 380,979.93 : x
  2. Step 2: Convert to fraction form
    703,268.57/970,511.07 = 380,979.93/x
  3. Step 3: Cross multiply
    703,268.57x = 970,511.07 × 380,979.93
  4. Step 4: Simplify right side
    703,268.57x = 369,745,239,512.83
  5. Step 5: Solve for x
    x = 369,745,239,512.83/703,268.57
  6. Step 6: Final answer
    x = 525,752.55

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1.5x scale

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.