Home / 764,894.70-1,147,779.45-528,407.10

Finding the Fourth Proportional to 764,894.70, 1,147,779.45 and 528,407.10

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Solution

The fourth proportional to 764,894.70, 1,147,779.45 and 528,407.10 is: 792,912.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,894.70 : 1,147,779.45 = 528,407.10 : x
  2. Step 2: Convert to fraction form
    764,894.70/1,147,779.45 = 528,407.10/x
  3. Step 3: Cross multiply
    764,894.70x = 1,147,779.45 × 528,407.10
  4. Step 4: Simplify right side
    764,894.70x = 606,494,810,614.10
  5. Step 5: Solve for x
    x = 606,494,810,614.10/764,894.70
  6. Step 6: Final answer
    x = 792,912.82

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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.