Home / 527,464.30-790,331.46-223,615.68

Finding the Fourth Proportional to 527,464.30, 790,331.46 and 223,615.68

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Solution

The fourth proportional to 527,464.30, 790,331.46 and 223,615.68 is: 335,056.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,464.30 : 790,331.46 = 223,615.68 : x
  2. Step 2: Convert to fraction form
    527,464.30/790,331.46 = 223,615.68/x
  3. Step 3: Cross multiply
    527,464.30x = 790,331.46 × 223,615.68
  4. Step 4: Simplify right side
    527,464.30x = 176,730,501,783.56
  5. Step 5: Solve for x
    x = 176,730,501,783.56/527,464.30
  6. Step 6: Final answer
    x = 335,056.80

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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.