Home / 778,853.68-1,074,726-452,091.04

Finding the Fourth Proportional to 778,853.68, 1,074,726 and 452,091.04

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Solution

The fourth proportional to 778,853.68, 1,074,726 and 452,091.04 is: 623,832.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,853.68 : 1,074,726 = 452,091.04 : x
  2. Step 2: Convert to fraction form
    778,853.68/1,074,726 = 452,091.04/x
  3. Step 3: Cross multiply
    778,853.68x = 1,074,726 × 452,091.04
  4. Step 4: Simplify right side
    778,853.68x = 485,873,995,055.04
  5. Step 5: Solve for x
    x = 485,873,995,055.04/778,853.68
  6. Step 6: Final answer
    x = 623,832.19

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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.