Home / 520,161.50-717,881.28-293,821.58

Finding the Fourth Proportional to 520,161.50, 717,881.28 and 293,821.58

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Solution

The fourth proportional to 520,161.50, 717,881.28 and 293,821.58 is: 405,506.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,161.50 : 717,881.28 = 293,821.58 : x
  2. Step 2: Convert to fraction form
    520,161.50/717,881.28 = 293,821.58/x
  3. Step 3: Cross multiply
    520,161.50x = 717,881.28 × 293,821.58
  4. Step 4: Simplify right side
    520,161.50x = 210,929,011,942.02
  5. Step 5: Solve for x
    x = 210,929,011,942.02/520,161.50
  6. Step 6: Final answer
    x = 405,506.77

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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.