Home / 750,845.40-1,036,179.90-411,291.60

Finding the Fourth Proportional to 750,845.40, 1,036,179.90 and 411,291.60

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Solution

The fourth proportional to 750,845.40, 1,036,179.90 and 411,291.60 is: 567,589.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,845.40 : 1,036,179.90 = 411,291.60 : x
  2. Step 2: Convert to fraction form
    750,845.40/1,036,179.90 = 411,291.60/x
  3. Step 3: Cross multiply
    750,845.40x = 1,036,179.90 × 411,291.60
  4. Step 4: Simplify right side
    750,845.40x = 426,172,088,958.84
  5. Step 5: Solve for x
    x = 426,172,088,958.84/750,845.40
  6. Step 6: Final answer
    x = 567,589.66

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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.