Home / 773,108.30-1,159,662.45-720,620.30

Finding the Fourth Proportional to 773,108.30, 1,159,662.45 and 720,620.30

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Solution

The fourth proportional to 773,108.30, 1,159,662.45 and 720,620.30 is: 1,080,930.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,108.30 : 1,159,662.45 = 720,620.30 : x
  2. Step 2: Convert to fraction form
    773,108.30/1,159,662.45 = 720,620.30/x
  3. Step 3: Cross multiply
    773,108.30x = 1,159,662.45 × 720,620.30
  4. Step 4: Simplify right side
    773,108.30x = 835,676,302,617.74
  5. Step 5: Solve for x
    x = 835,676,302,617.74/773,108.30
  6. Step 6: Final answer
    x = 1,080,930.45

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1.5x scale

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.