Home / 755,039.25-1,041,956.21-415,507.50

Finding the Fourth Proportional to 755,039.25, 1,041,956.21 and 415,507.50

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Solution

The fourth proportional to 755,039.25, 1,041,956.21 and 415,507.50 is: 573,401.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,039.25 : 1,041,956.21 = 415,507.50 : x
  2. Step 2: Convert to fraction form
    755,039.25/1,041,956.21 = 415,507.50/x
  3. Step 3: Cross multiply
    755,039.25x = 1,041,956.21 × 415,507.50
  4. Step 4: Simplify right side
    755,039.25x = 432,940,617,849.04
  5. Step 5: Solve for x
    x = 432,940,617,849.04/755,039.25
  6. Step 6: Final answer
    x = 573,401.47

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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.