Home / 930,719.22-1,284,512.79-522,821.22

Finding the Fourth Proportional to 930,719.22, 1,284,512.79 and 522,821.22

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Solution

The fourth proportional to 930,719.22, 1,284,512.79 and 522,821.22 is: 721,560.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,719.22 : 1,284,512.79 = 522,821.22 : x
  2. Step 2: Convert to fraction form
    930,719.22/1,284,512.79 = 522,821.22/x
  3. Step 3: Cross multiply
    930,719.22x = 1,284,512.79 × 522,821.22
  4. Step 4: Simplify right side
    930,719.22x = 671,570,543,973.40
  5. Step 5: Solve for x
    x = 671,570,543,973.40/930,719.22
  6. Step 6: Final answer
    x = 721,560.84

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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.