Home / 765,770.49-1,056,745.17-426,231.45

Finding the Fourth Proportional to 765,770.49, 1,056,745.17 and 426,231.45

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Solution

The fourth proportional to 765,770.49, 1,056,745.17 and 426,231.45 is: 588,189.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,770.49 : 1,056,745.17 = 426,231.45 : x
  2. Step 2: Convert to fraction form
    765,770.49/1,056,745.17 = 426,231.45/x
  3. Step 3: Cross multiply
    765,770.49x = 1,056,745.17 × 426,231.45
  4. Step 4: Simplify right side
    765,770.49x = 450,418,026,089.60
  5. Step 5: Solve for x
    x = 450,418,026,089.60/765,770.49
  6. Step 6: Final answer
    x = 588,189.32

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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.