Home / 774,377.82-1,159,079.58-413,646.66

Finding the Fourth Proportional to 774,377.82, 1,159,079.58 and 413,646.66

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Solution

The fourth proportional to 774,377.82, 1,159,079.58 and 413,646.66 is: 619,141.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,377.82 : 1,159,079.58 = 413,646.66 : x
  2. Step 2: Convert to fraction form
    774,377.82/1,159,079.58 = 413,646.66/x
  3. Step 3: Cross multiply
    774,377.82x = 1,159,079.58 × 413,646.66
  4. Step 4: Simplify right side
    774,377.82x = 479,449,396,941.20
  5. Step 5: Solve for x
    x = 479,449,396,941.20/774,377.82
  6. Step 6: Final answer
    x = 619,141.44

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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.