Home / 750,936.78-1,036,294.02-406,773.72

Finding the Fourth Proportional to 750,936.78, 1,036,294.02 and 406,773.72

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Solution

The fourth proportional to 750,936.78, 1,036,294.02 and 406,773.72 is: 561,348.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,936.78 : 1,036,294.02 = 406,773.72 : x
  2. Step 2: Convert to fraction form
    750,936.78/1,036,294.02 = 406,773.72/x
  3. Step 3: Cross multiply
    750,936.78x = 1,036,294.02 × 406,773.72
  4. Step 4: Simplify right side
    750,936.78x = 421,537,173,529.15
  5. Step 5: Solve for x
    x = 421,537,173,529.15/750,936.78
  6. Step 6: Final answer
    x = 561,348.42

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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.