Home / 778,127.04-1,167,292.60-304,750.88

Finding the Fourth Proportional to 778,127.04, 1,167,292.60 and 304,750.88

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Solution

The fourth proportional to 778,127.04, 1,167,292.60 and 304,750.88 is: 457,166.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,127.04 : 1,167,292.60 = 304,750.88 : x
  2. Step 2: Convert to fraction form
    778,127.04/1,167,292.60 = 304,750.88/x
  3. Step 3: Cross multiply
    778,127.04x = 1,167,292.60 × 304,750.88
  4. Step 4: Simplify right side
    778,127.04x = 355,733,447,067.49
  5. Step 5: Solve for x
    x = 355,733,447,067.49/778,127.04
  6. Step 6: Final answer
    x = 457,166.28

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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.