Home / 755,040.82-1,041,956.47-415,509.07

Finding the Fourth Proportional to 755,040.82, 1,041,956.47 and 415,509.07

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Solution

The fourth proportional to 755,040.82, 1,041,956.47 and 415,509.07 is: 573,402.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,040.82 : 1,041,956.47 = 415,509.07 : x
  2. Step 2: Convert to fraction form
    755,040.82/1,041,956.47 = 415,509.07/x
  3. Step 3: Cross multiply
    755,040.82x = 1,041,956.47 × 415,509.07
  4. Step 4: Simplify right side
    755,040.82x = 432,942,361,744.68
  5. Step 5: Solve for x
    x = 432,942,361,744.68/755,040.82
  6. Step 6: Final answer
    x = 573,402.59

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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.