Home / 484,979.04-669,253.73-270,107.51

Finding the Fourth Proportional to 484,979.04, 669,253.73 and 270,107.51

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Solution

The fourth proportional to 484,979.04, 669,253.73 and 270,107.51 is: 372,738.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,979.04 : 669,253.73 = 270,107.51 : x
  2. Step 2: Convert to fraction form
    484,979.04/669,253.73 = 270,107.51/x
  3. Step 3: Cross multiply
    484,979.04x = 669,253.73 × 270,107.51
  4. Step 4: Simplify right side
    484,979.04x = 180,770,453,871.71
  5. Step 5: Solve for x
    x = 180,770,453,871.71/484,979.04
  6. Step 6: Final answer
    x = 372,738.69

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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.