Home / 738,470.69-1,107,607.61-205,947.12

Finding the Fourth Proportional to 738,470.69, 1,107,607.61 and 205,947.12

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Solution

The fourth proportional to 738,470.69, 1,107,607.61 and 205,947.12 is: 308,893.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,470.69 : 1,107,607.61 = 205,947.12 : x
  2. Step 2: Convert to fraction form
    738,470.69/1,107,607.61 = 205,947.12/x
  3. Step 3: Cross multiply
    738,470.69x = 1,107,607.61 × 205,947.12
  4. Step 4: Simplify right side
    738,470.69x = 228,108,596,339.85
  5. Step 5: Solve for x
    x = 228,108,596,339.85/738,470.69
  6. Step 6: Final answer
    x = 308,893.23

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Double scale
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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.