Home / 527,051.20-790,653.48-171,977.80

Finding the Fourth Proportional to 527,051.20, 790,653.48 and 171,977.80

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Solution

The fourth proportional to 527,051.20, 790,653.48 and 171,977.80 is: 257,991.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,051.20 : 790,653.48 = 171,977.80 : x
  2. Step 2: Convert to fraction form
    527,051.20/790,653.48 = 171,977.80/x
  3. Step 3: Cross multiply
    527,051.20x = 790,653.48 × 171,977.80
  4. Step 4: Simplify right side
    527,051.20x = 135,974,846,052.74
  5. Step 5: Solve for x
    x = 135,974,846,052.74/527,051.20
  6. Step 6: Final answer
    x = 257,991.72

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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.