Home / 777,055.86-1,165,770.36-297,275.76

Finding the Fourth Proportional to 777,055.86, 1,165,770.36 and 297,275.76

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Solution

The fourth proportional to 777,055.86, 1,165,770.36 and 297,275.76 is: 445,985.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,055.86 : 1,165,770.36 = 297,275.76 : x
  2. Step 2: Convert to fraction form
    777,055.86/1,165,770.36 = 297,275.76/x
  3. Step 3: Cross multiply
    777,055.86x = 1,165,770.36 × 297,275.76
  4. Step 4: Simplify right side
    777,055.86x = 346,555,269,754.47
  5. Step 5: Solve for x
    x = 346,555,269,754.47/777,055.86
  6. Step 6: Final answer
    x = 445,985.02

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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.