Home / 738,394.14-1,107,778.01-205,915.22

Finding the Fourth Proportional to 738,394.14, 1,107,778.01 and 205,915.22

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Solution

The fourth proportional to 738,394.14, 1,107,778.01 and 205,915.22 is: 308,924.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,394.14 : 1,107,778.01 = 205,915.22 : x
  2. Step 2: Convert to fraction form
    738,394.14/1,107,778.01 = 205,915.22/x
  3. Step 3: Cross multiply
    738,394.14x = 1,107,778.01 × 205,915.22
  4. Step 4: Simplify right side
    738,394.14x = 228,108,356,636.86
  5. Step 5: Solve for x
    x = 228,108,356,636.86/738,394.14
  6. Step 6: Final answer
    x = 308,924.93

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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.