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Finding the Fourth Proportional to 837,696, 1,155,933 and 475,003.92

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Solution

The fourth proportional to 837,696, 1,155,933 and 475,003.92 is: 655,455.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,696 : 1,155,933 = 475,003.92 : x
  2. Step 2: Convert to fraction form
    837,696/1,155,933 = 475,003.92/x
  3. Step 3: Cross multiply
    837,696x = 1,155,933 × 475,003.92
  4. Step 4: Simplify right side
    837,696x = 549,072,706,257.36
  5. Step 5: Solve for x
    x = 549,072,706,257.36/837,696
  6. Step 6: Final answer
    x = 655,455.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.