Home / 914,251.89-1,261,676.89-551,605.68

Finding the Fourth Proportional to 914,251.89, 1,261,676.89 and 551,605.68

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Solution

The fourth proportional to 914,251.89, 1,261,676.89 and 551,605.68 is: 761,221.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,251.89 : 1,261,676.89 = 551,605.68 : x
  2. Step 2: Convert to fraction form
    914,251.89/1,261,676.89 = 551,605.68/x
  3. Step 3: Cross multiply
    914,251.89x = 1,261,676.89 × 551,605.68
  4. Step 4: Simplify right side
    914,251.89x = 695,948,139,538.24
  5. Step 5: Solve for x
    x = 695,948,139,538.24/914,251.89
  6. Step 6: Final answer
    x = 761,221.44

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1.5x scale

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.