Home / 505,044.36-756,589.61-423,017.49

Finding the Fourth Proportional to 505,044.36, 756,589.61 and 423,017.49

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Solution

The fourth proportional to 505,044.36, 756,589.61 and 423,017.49 is: 633,707.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,044.36 : 756,589.61 = 423,017.49 : x
  2. Step 2: Convert to fraction form
    505,044.36/756,589.61 = 423,017.49/x
  3. Step 3: Cross multiply
    505,044.36x = 756,589.61 × 423,017.49
  4. Step 4: Simplify right side
    505,044.36x = 320,050,637,782.28
  5. Step 5: Solve for x
    x = 320,050,637,782.28/505,044.36
  6. Step 6: Final answer
    x = 633,707.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.