Home / 866,809.08-1,299,890.30-298,029.24

Finding the Fourth Proportional to 866,809.08, 1,299,890.30 and 298,029.24

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Solution

The fourth proportional to 866,809.08, 1,299,890.30 and 298,029.24 is: 446,932.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,809.08 : 1,299,890.30 = 298,029.24 : x
  2. Step 2: Convert to fraction form
    866,809.08/1,299,890.30 = 298,029.24/x
  3. Step 3: Cross multiply
    866,809.08x = 1,299,890.30 × 298,029.24
  4. Step 4: Simplify right side
    866,809.08x = 387,405,316,702.23
  5. Step 5: Solve for x
    x = 387,405,316,702.23/866,809.08
  6. Step 6: Final answer
    x = 446,932.69

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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.