Home / 753,859.74-1,130,614.38-221,237.76

Finding the Fourth Proportional to 753,859.74, 1,130,614.38 and 221,237.76

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Solution

The fourth proportional to 753,859.74, 1,130,614.38 and 221,237.76 is: 331,805.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,859.74 : 1,130,614.38 = 221,237.76 : x
  2. Step 2: Convert to fraction form
    753,859.74/1,130,614.38 = 221,237.76/x
  3. Step 3: Cross multiply
    753,859.74x = 1,130,614.38 × 221,237.76
  4. Step 4: Simplify right side
    753,859.74x = 250,134,592,854.99
  5. Step 5: Solve for x
    x = 250,134,592,854.99/753,859.74
  6. Step 6: Final answer
    x = 331,805.21

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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.