Home / 749,962.70-1,034,941.08-405,791.02

Finding the Fourth Proportional to 749,962.70, 1,034,941.08 and 405,791.02

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Solution

The fourth proportional to 749,962.70, 1,034,941.08 and 405,791.02 is: 559,987.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,962.70 : 1,034,941.08 = 405,791.02 : x
  2. Step 2: Convert to fraction form
    749,962.70/1,034,941.08 = 405,791.02/x
  3. Step 3: Cross multiply
    749,962.70x = 1,034,941.08 × 405,791.02
  4. Step 4: Simplify right side
    749,962.70x = 419,969,796,493.10
  5. Step 5: Solve for x
    x = 419,969,796,493.10/749,962.70
  6. Step 6: Final answer
    x = 559,987.58

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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.