Home / 677,744.74-1,015,956.13-322,663.42

Finding the Fourth Proportional to 677,744.74, 1,015,956.13 and 322,663.42

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Solution

The fourth proportional to 677,744.74, 1,015,956.13 and 322,663.42 is: 483,680.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,744.74 : 1,015,956.13 = 322,663.42 : x
  2. Step 2: Convert to fraction form
    677,744.74/1,015,956.13 = 322,663.42/x
  3. Step 3: Cross multiply
    677,744.74x = 1,015,956.13 × 322,663.42
  4. Step 4: Simplify right side
    677,744.74x = 327,811,879,475.77
  5. Step 5: Solve for x
    x = 327,811,879,475.77/677,744.74
  6. Step 6: Final answer
    x = 483,680.45

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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.