Home / 851,770.89-1,175,435.96-469,800.41

Finding the Fourth Proportional to 851,770.89, 1,175,435.96 and 469,800.41

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Solution

The fourth proportional to 851,770.89, 1,175,435.96 and 469,800.41 is: 648,320.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,770.89 : 1,175,435.96 = 469,800.41 : x
  2. Step 2: Convert to fraction form
    851,770.89/1,175,435.96 = 469,800.41/x
  3. Step 3: Cross multiply
    851,770.89x = 1,175,435.96 × 469,800.41
  4. Step 4: Simplify right side
    851,770.89x = 552,220,287,710.56
  5. Step 5: Solve for x
    x = 552,220,287,710.56/851,770.89
  6. Step 6: Final answer
    x = 648,320.22

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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.