Home / 738,390.92-1,107,570.48-205,897.76

Finding the Fourth Proportional to 738,390.92, 1,107,570.48 and 205,897.76

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Solution

The fourth proportional to 738,390.92, 1,107,570.48 and 205,897.76 is: 308,842.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,390.92 : 1,107,570.48 = 205,897.76 : x
  2. Step 2: Convert to fraction form
    738,390.92/1,107,570.48 = 205,897.76/x
  3. Step 3: Cross multiply
    738,390.92x = 1,107,570.48 × 205,897.76
  4. Step 4: Simplify right side
    738,390.92x = 228,046,280,874.13
  5. Step 5: Solve for x
    x = 228,046,280,874.13/738,390.92
  6. Step 6: Final answer
    x = 308,842.21

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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.