Home / 749,577.96-1,034,414.48-405,414.27

Finding the Fourth Proportional to 749,577.96, 1,034,414.48 and 405,414.27

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Solution

The fourth proportional to 749,577.96, 1,034,414.48 and 405,414.27 is: 559,470.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,577.96 : 1,034,414.48 = 405,414.27 : x
  2. Step 2: Convert to fraction form
    749,577.96/1,034,414.48 = 405,414.27/x
  3. Step 3: Cross multiply
    749,577.96x = 1,034,414.48 × 405,414.27
  4. Step 4: Simplify right side
    749,577.96x = 419,366,389,259.56
  5. Step 5: Solve for x
    x = 419,366,389,259.56/749,577.96
  6. Step 6: Final answer
    x = 559,470.01

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1.5x scale

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.