Home / 709,672.80-1,065,027.60-472,936.80

Finding the Fourth Proportional to 709,672.80, 1,065,027.60 and 472,936.80

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Solution

The fourth proportional to 709,672.80, 1,065,027.60 and 472,936.80 is: 709,750.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,672.80 : 1,065,027.60 = 472,936.80 : x
  2. Step 2: Convert to fraction form
    709,672.80/1,065,027.60 = 472,936.80/x
  3. Step 3: Cross multiply
    709,672.80x = 1,065,027.60 × 472,936.80
  4. Step 4: Simplify right side
    709,672.80x = 503,690,745,055.68
  5. Step 5: Solve for x
    x = 503,690,745,055.68/709,672.80
  6. Step 6: Final answer
    x = 709,750.67

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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.