Home / 859,779.95-1,289,682.32-327,330.23

Finding the Fourth Proportional to 859,779.95, 1,289,682.32 and 327,330.23

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Solution

The fourth proportional to 859,779.95, 1,289,682.32 and 327,330.23 is: 491,000.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,779.95 : 1,289,682.32 = 327,330.23 : x
  2. Step 2: Convert to fraction form
    859,779.95/1,289,682.32 = 327,330.23/x
  3. Step 3: Cross multiply
    859,779.95x = 1,289,682.32 × 327,330.23
  4. Step 4: Simplify right side
    859,779.95x = 422,152,002,347.47
  5. Step 5: Solve for x
    x = 422,152,002,347.47/859,779.95
  6. Step 6: Final answer
    x = 491,000.06

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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.