Home / 987,393.02-1,481,015.66-356,306.81

Finding the Fourth Proportional to 987,393.02, 1,481,015.66 and 356,306.81

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Solution

The fourth proportional to 987,393.02, 1,481,015.66 and 356,306.81 is: 534,433.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,393.02 : 1,481,015.66 = 356,306.81 : x
  2. Step 2: Convert to fraction form
    987,393.02/1,481,015.66 = 356,306.81/x
  3. Step 3: Cross multiply
    987,393.02x = 1,481,015.66 × 356,306.81
  4. Step 4: Simplify right side
    987,393.02x = 527,695,956,188.03
  5. Step 5: Solve for x
    x = 527,695,956,188.03/987,393.02
  6. Step 6: Final answer
    x = 534,433.55

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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.