Home / 778,881.30-1,167,447.15-329,525.70

Finding the Fourth Proportional to 778,881.30, 1,167,447.15 and 329,525.70

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Solution

The fourth proportional to 778,881.30, 1,167,447.15 and 329,525.70 is: 493,918.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,881.30 : 1,167,447.15 = 329,525.70 : x
  2. Step 2: Convert to fraction form
    778,881.30/1,167,447.15 = 329,525.70/x
  3. Step 3: Cross multiply
    778,881.30x = 1,167,447.15 × 329,525.70
  4. Step 4: Simplify right side
    778,881.30x = 384,703,839,316.76
  5. Step 5: Solve for x
    x = 384,703,839,316.76/778,881.30
  6. Step 6: Final answer
    x = 493,918.44

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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.