Home / 539,031.72-743,867.28-297,320.82

Finding the Fourth Proportional to 539,031.72, 743,867.28 and 297,320.82

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Solution

The fourth proportional to 539,031.72, 743,867.28 and 297,320.82 is: 410,304.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,031.72 : 743,867.28 = 297,320.82 : x
  2. Step 2: Convert to fraction form
    539,031.72/743,867.28 = 297,320.82/x
  3. Step 3: Cross multiply
    539,031.72x = 743,867.28 × 297,320.82
  4. Step 4: Simplify right side
    539,031.72x = 221,167,229,660.77
  5. Step 5: Solve for x
    x = 221,167,229,660.77/539,031.72
  6. Step 6: Final answer
    x = 410,304.67

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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.