Home / 778,094.11-1,074,037.80-455,908.51

Finding the Fourth Proportional to 778,094.11, 1,074,037.80 and 455,908.51

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Solution

The fourth proportional to 778,094.11, 1,074,037.80 and 455,908.51 is: 629,310.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,094.11 : 1,074,037.80 = 455,908.51 : x
  2. Step 2: Convert to fraction form
    778,094.11/1,074,037.80 = 455,908.51/x
  3. Step 3: Cross multiply
    778,094.11x = 1,074,037.80 × 455,908.51
  4. Step 4: Simplify right side
    778,094.11x = 489,662,973,081.68
  5. Step 5: Solve for x
    x = 489,662,973,081.68/778,094.11
  6. Step 6: Final answer
    x = 629,310.73

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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.