Home / 790,570.80-1,185,834.70-221,956.64

Finding the Fourth Proportional to 790,570.80, 1,185,834.70 and 221,956.64

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Solution

The fourth proportional to 790,570.80, 1,185,834.70 and 221,956.64 is: 332,928.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,570.80 : 1,185,834.70 = 221,956.64 : x
  2. Step 2: Convert to fraction form
    790,570.80/1,185,834.70 = 221,956.64/x
  3. Step 3: Cross multiply
    790,570.80x = 1,185,834.70 × 221,956.64
  4. Step 4: Simplify right side
    790,570.80x = 263,203,885,607.41
  5. Step 5: Solve for x
    x = 263,203,885,607.41/790,570.80
  6. Step 6: Final answer
    x = 332,928.92

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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.