Home / 1,003,288.58-1,505,089.40-329,216.45

Finding the Fourth Proportional to 1,003,288.58, 1,505,089.40 and 329,216.45

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Solution

The fourth proportional to 1,003,288.58, 1,505,089.40 and 329,216.45 is: 493,876.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,288.58 : 1,505,089.40 = 329,216.45 : x
  2. Step 2: Convert to fraction form
    1,003,288.58/1,505,089.40 = 329,216.45/x
  3. Step 3: Cross multiply
    1,003,288.58x = 1,505,089.40 × 329,216.45
  4. Step 4: Simplify right side
    1,003,288.58x = 495,500,190,347.07
  5. Step 5: Solve for x
    x = 495,500,190,347.07/1,003,288.58
  6. Step 6: Final answer
    x = 493,876.04

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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.