Home / 750,905.49-1,036,250.63-406,745.13

Finding the Fourth Proportional to 750,905.49, 1,036,250.63 and 406,745.13

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Solution

The fourth proportional to 750,905.49, 1,036,250.63 and 406,745.13 is: 561,308.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,905.49 : 1,036,250.63 = 406,745.13 : x
  2. Step 2: Convert to fraction form
    750,905.49/1,036,250.63 = 406,745.13/x
  3. Step 3: Cross multiply
    750,905.49x = 1,036,250.63 × 406,745.13
  4. Step 4: Simplify right side
    750,905.49x = 421,489,895,178.21
  5. Step 5: Solve for x
    x = 421,489,895,178.21/750,905.49
  6. Step 6: Final answer
    x = 561,308.85

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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.