Home / 674,870.32-1,011,801.18-408,566.68

Finding the Fourth Proportional to 674,870.32, 1,011,801.18 and 408,566.68

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Solution

The fourth proportional to 674,870.32, 1,011,801.18 and 408,566.68 is: 612,544.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,870.32 : 1,011,801.18 = 408,566.68 : x
  2. Step 2: Convert to fraction form
    674,870.32/1,011,801.18 = 408,566.68/x
  3. Step 3: Cross multiply
    674,870.32x = 1,011,801.18 × 408,566.68
  4. Step 4: Simplify right side
    674,870.32x = 413,388,248,932.68
  5. Step 5: Solve for x
    x = 413,388,248,932.68/674,870.32
  6. Step 6: Final answer
    x = 612,544.72

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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.