Home / 991,194.11-1,486,063.94-316,887.33

Finding the Fourth Proportional to 991,194.11, 1,486,063.94 and 316,887.33

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Solution

The fourth proportional to 991,194.11, 1,486,063.94 and 316,887.33 is: 475,098.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,194.11 : 1,486,063.94 = 316,887.33 : x
  2. Step 2: Convert to fraction form
    991,194.11/1,486,063.94 = 316,887.33/x
  3. Step 3: Cross multiply
    991,194.11x = 1,486,063.94 × 316,887.33
  4. Step 4: Simplify right side
    991,194.11x = 470,914,838,144.18
  5. Step 5: Solve for x
    x = 470,914,838,144.18/991,194.11
  6. Step 6: Final answer
    x = 475,098.50

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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.