Home / 699,758.08-1,050,146.88-279,154.24

Finding the Fourth Proportional to 699,758.08, 1,050,146.88 and 279,154.24

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Solution

The fourth proportional to 699,758.08, 1,050,146.88 and 279,154.24 is: 418,934.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,758.08 : 1,050,146.88 = 279,154.24 : x
  2. Step 2: Convert to fraction form
    699,758.08/1,050,146.88 = 279,154.24/x
  3. Step 3: Cross multiply
    699,758.08x = 1,050,146.88 × 279,154.24
  4. Step 4: Simplify right side
    699,758.08x = 293,152,954,174.77
  5. Step 5: Solve for x
    x = 293,152,954,174.77/699,758.08
  6. Step 6: Final answer
    x = 418,934.72

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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.