Home / 952,323.05-1,428,410.06-278,410.61

Finding the Fourth Proportional to 952,323.05, 1,428,410.06 and 278,410.61

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Solution

The fourth proportional to 952,323.05, 1,428,410.06 and 278,410.61 is: 417,594.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    952,323.05 : 1,428,410.06 = 278,410.61 : x
  2. Step 2: Convert to fraction form
    952,323.05/1,428,410.06 = 278,410.61/x
  3. Step 3: Cross multiply
    952,323.05x = 1,428,410.06 × 278,410.61
  4. Step 4: Simplify right side
    952,323.05x = 397,684,514,742.68
  5. Step 5: Solve for x
    x = 397,684,514,742.68/952,323.05
  6. Step 6: Final answer
    x = 417,594.13

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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.