Home / 738,951.28-1,108,488.96-206,477.56

Finding the Fourth Proportional to 738,951.28, 1,108,488.96 and 206,477.56

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Solution

The fourth proportional to 738,951.28, 1,108,488.96 and 206,477.56 is: 309,733.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,951.28 : 1,108,488.96 = 206,477.56 : x
  2. Step 2: Convert to fraction form
    738,951.28/1,108,488.96 = 206,477.56/x
  3. Step 3: Cross multiply
    738,951.28x = 1,108,488.96 × 206,477.56
  4. Step 4: Simplify right side
    738,951.28x = 228,878,095,747.74
  5. Step 5: Solve for x
    x = 228,878,095,747.74/738,951.28
  6. Step 6: Final answer
    x = 309,733.68

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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.