Home / 866,815.08-1,299,899.28-298,035.24

Finding the Fourth Proportional to 866,815.08, 1,299,899.28 and 298,035.24

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Solution

The fourth proportional to 866,815.08, 1,299,899.28 and 298,035.24 is: 446,941.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,815.08 : 1,299,899.28 = 298,035.24 : x
  2. Step 2: Convert to fraction form
    866,815.08/1,299,899.28 = 298,035.24/x
  3. Step 3: Cross multiply
    866,815.08x = 1,299,899.28 × 298,035.24
  4. Step 4: Simplify right side
    866,815.08x = 387,415,793,890.63
  5. Step 5: Solve for x
    x = 387,415,793,890.63/866,815.08
  6. Step 6: Final answer
    x = 446,941.69

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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.