Home / 750,917.22-1,036,266.82-406,756.90

Finding the Fourth Proportional to 750,917.22, 1,036,266.82 and 406,756.90

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Solution

The fourth proportional to 750,917.22, 1,036,266.82 and 406,756.90 is: 561,325.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,917.22 : 1,036,266.82 = 406,756.90 : x
  2. Step 2: Convert to fraction form
    750,917.22/1,036,266.82 = 406,756.90/x
  3. Step 3: Cross multiply
    750,917.22x = 1,036,266.82 × 406,756.90
  4. Step 4: Simplify right side
    750,917.22x = 421,508,679,276.06
  5. Step 5: Solve for x
    x = 421,508,679,276.06/750,917.22
  6. Step 6: Final answer
    x = 561,325.09

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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.