Home / 777,710.89-1,165,764.78-297,807.61

Finding the Fourth Proportional to 777,710.89, 1,165,764.78 and 297,807.61

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Solution

The fourth proportional to 777,710.89, 1,165,764.78 and 297,807.61 is: 446,404.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,710.89 : 1,165,764.78 = 297,807.61 : x
  2. Step 2: Convert to fraction form
    777,710.89/1,165,764.78 = 297,807.61/x
  3. Step 3: Cross multiply
    777,710.89x = 1,165,764.78 × 297,807.61
  4. Step 4: Simplify right side
    777,710.89x = 347,173,622,209.46
  5. Step 5: Solve for x
    x = 347,173,622,209.46/777,710.89
  6. Step 6: Final answer
    x = 446,404.48

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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.