Home / 681,044.32-1,021,701.12-201,280.76

Finding the Fourth Proportional to 681,044.32, 1,021,701.12 and 201,280.76

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Solution

The fourth proportional to 681,044.32, 1,021,701.12 and 201,280.76 is: 301,960.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,044.32 : 1,021,701.12 = 201,280.76 : x
  2. Step 2: Convert to fraction form
    681,044.32/1,021,701.12 = 201,280.76/x
  3. Step 3: Cross multiply
    681,044.32x = 1,021,701.12 × 201,280.76
  4. Step 4: Simplify right side
    681,044.32x = 205,648,775,894.52
  5. Step 5: Solve for x
    x = 205,648,775,894.52/681,044.32
  6. Step 6: Final answer
    x = 301,960.93

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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.