Home / 777,055.22-1,165,057.95-397,042.10

Finding the Fourth Proportional to 777,055.22, 1,165,057.95 and 397,042.10

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Solution

The fourth proportional to 777,055.22, 1,165,057.95 and 397,042.10 is: 595,294.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,055.22 : 1,165,057.95 = 397,042.10 : x
  2. Step 2: Convert to fraction form
    777,055.22/1,165,057.95 = 397,042.10/x
  3. Step 3: Cross multiply
    777,055.22x = 1,165,057.95 × 397,042.10
  4. Step 4: Simplify right side
    777,055.22x = 462,577,055,089.70
  5. Step 5: Solve for x
    x = 462,577,055,089.70/777,055.22
  6. Step 6: Final answer
    x = 595,294.96

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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.