Home / 733,779.45-1,100,778.53-260,425.17

Finding the Fourth Proportional to 733,779.45, 1,100,778.53 and 260,425.17

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Solution

The fourth proportional to 733,779.45, 1,100,778.53 and 260,425.17 is: 390,676.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,779.45 : 1,100,778.53 = 260,425.17 : x
  2. Step 2: Convert to fraction form
    733,779.45/1,100,778.53 = 260,425.17/x
  3. Step 3: Cross multiply
    733,779.45x = 1,100,778.53 × 260,425.17
  4. Step 4: Simplify right side
    733,779.45x = 286,670,434,505.47
  5. Step 5: Solve for x
    x = 286,670,434,505.47/733,779.45
  6. Step 6: Final answer
    x = 390,676.56

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1.5x scale

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.