Home / 750,899.22-1,036,241.98-406,738.90

Finding the Fourth Proportional to 750,899.22, 1,036,241.98 and 406,738.90

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Solution

The fourth proportional to 750,899.22, 1,036,241.98 and 406,738.90 is: 561,300.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,899.22 : 1,036,241.98 = 406,738.90 : x
  2. Step 2: Convert to fraction form
    750,899.22/1,036,241.98 = 406,738.90/x
  3. Step 3: Cross multiply
    750,899.22x = 1,036,241.98 × 406,738.90
  4. Step 4: Simplify right side
    750,899.22x = 421,479,923,079.02
  5. Step 5: Solve for x
    x = 421,479,923,079.02/750,899.22
  6. Step 6: Final answer
    x = 561,300.25

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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.