Home / 555,660.32-766,811.24-301,011.50

Finding the Fourth Proportional to 555,660.32, 766,811.24 and 301,011.50

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Solution

The fourth proportional to 555,660.32, 766,811.24 and 301,011.50 is: 415,395.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,660.32 : 766,811.24 = 301,011.50 : x
  2. Step 2: Convert to fraction form
    555,660.32/766,811.24 = 301,011.50/x
  3. Step 3: Cross multiply
    555,660.32x = 766,811.24 × 301,011.50
  4. Step 4: Simplify right side
    555,660.32x = 230,819,003,553.40
  5. Step 5: Solve for x
    x = 230,819,003,553.40/555,660.32
  6. Step 6: Final answer
    x = 415,395.88

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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.