Home / 897,103.45-1,346,540.91-392,013.07

Finding the Fourth Proportional to 897,103.45, 1,346,540.91 and 392,013.07

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Solution

The fourth proportional to 897,103.45, 1,346,540.91 and 392,013.07 is: 588,406.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,103.45 : 1,346,540.91 = 392,013.07 : x
  2. Step 2: Convert to fraction form
    897,103.45/1,346,540.91 = 392,013.07/x
  3. Step 3: Cross multiply
    897,103.45x = 1,346,540.91 × 392,013.07
  4. Step 4: Simplify right side
    897,103.45x = 527,861,633,378.37
  5. Step 5: Solve for x
    x = 527,861,633,378.37/897,103.45
  6. Step 6: Final answer
    x = 588,406.65

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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.