Home / 778,159.16-1,167,763.80-304,785.44

Finding the Fourth Proportional to 778,159.16, 1,167,763.80 and 304,785.44

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Solution

The fourth proportional to 778,159.16, 1,167,763.80 and 304,785.44 is: 457,383.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,159.16 : 1,167,763.80 = 304,785.44 : x
  2. Step 2: Convert to fraction form
    778,159.16/1,167,763.80 = 304,785.44/x
  3. Step 3: Cross multiply
    778,159.16x = 1,167,763.80 × 304,785.44
  4. Step 4: Simplify right side
    778,159.16x = 355,917,403,599.07
  5. Step 5: Solve for x
    x = 355,917,403,599.07/778,159.16
  6. Step 6: Final answer
    x = 457,383.81

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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.