Home / 782,911.80-1,174,367.70-221,951.16

Finding the Fourth Proportional to 782,911.80, 1,174,367.70 and 221,951.16

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Solution

The fourth proportional to 782,911.80, 1,174,367.70 and 221,951.16 is: 332,926.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,911.80 : 1,174,367.70 = 221,951.16 : x
  2. Step 2: Convert to fraction form
    782,911.80/1,174,367.70 = 221,951.16/x
  3. Step 3: Cross multiply
    782,911.80x = 1,174,367.70 × 221,951.16
  4. Step 4: Simplify right side
    782,911.80x = 260,652,273,281.53
  5. Step 5: Solve for x
    x = 260,652,273,281.53/782,911.80
  6. Step 6: Final answer
    x = 332,926.74

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1.5x scale

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.