Home / 782,830.88-1,174,244.16-221,870.24

Finding the Fourth Proportional to 782,830.88, 1,174,244.16 and 221,870.24

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Solution

The fourth proportional to 782,830.88, 1,174,244.16 and 221,870.24 is: 332,804.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,830.88 : 1,174,244.16 = 221,870.24 : x
  2. Step 2: Convert to fraction form
    782,830.88/1,174,244.16 = 221,870.24/x
  3. Step 3: Cross multiply
    782,830.88x = 1,174,244.16 × 221,870.24
  4. Step 4: Simplify right side
    782,830.88x = 260,529,833,597.80
  5. Step 5: Solve for x
    x = 260,529,833,597.80/782,830.88
  6. Step 6: Final answer
    x = 332,804.75

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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.