Home / 709,063.86-1,063,433.58-203,620.82

Finding the Fourth Proportional to 709,063.86, 1,063,433.58 and 203,620.82

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Solution

The fourth proportional to 709,063.86, 1,063,433.58 and 203,620.82 is: 305,384.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,063.86 : 1,063,433.58 = 203,620.82 : x
  2. Step 2: Convert to fraction form
    709,063.86/1,063,433.58 = 203,620.82/x
  3. Step 3: Cross multiply
    709,063.86x = 1,063,433.58 × 203,620.82
  4. Step 4: Simplify right side
    709,063.86x = 216,537,217,575.14
  5. Step 5: Solve for x
    x = 216,537,217,575.14/709,063.86
  6. Step 6: Final answer
    x = 305,384.65

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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.