Home / 851,561.68-1,175,138.76-469,623.76

Finding the Fourth Proportional to 851,561.68, 1,175,138.76 and 469,623.76

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Solution

The fourth proportional to 851,561.68, 1,175,138.76 and 469,623.76 is: 648,071.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,561.68 : 1,175,138.76 = 469,623.76 : x
  2. Step 2: Convert to fraction form
    851,561.68/1,175,138.76 = 469,623.76/x
  3. Step 3: Cross multiply
    851,561.68x = 1,175,138.76 × 469,623.76
  4. Step 4: Simplify right side
    851,561.68x = 551,873,082,992.94
  5. Step 5: Solve for x
    x = 551,873,082,992.94/851,561.68
  6. Step 6: Final answer
    x = 648,071.77

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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.