Home / 906,009.20-1,359,014.04-266,312.96

Finding the Fourth Proportional to 906,009.20, 1,359,014.04 and 266,312.96

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Solution

The fourth proportional to 906,009.20, 1,359,014.04 and 266,312.96 is: 399,469.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,009.20 : 1,359,014.04 = 266,312.96 : x
  2. Step 2: Convert to fraction form
    906,009.20/1,359,014.04 = 266,312.96/x
  3. Step 3: Cross multiply
    906,009.20x = 1,359,014.04 × 266,312.96
  4. Step 4: Simplify right side
    906,009.20x = 361,923,051,673.96
  5. Step 5: Solve for x
    x = 361,923,051,673.96/906,009.20
  6. Step 6: Final answer
    x = 399,469.51

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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.