Home / 849,782.65-1,276,150.20-451,201.90

Finding the Fourth Proportional to 849,782.65, 1,276,150.20 and 451,201.90

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Solution

The fourth proportional to 849,782.65, 1,276,150.20 and 451,201.90 is: 677,586.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,782.65 : 1,276,150.20 = 451,201.90 : x
  2. Step 2: Convert to fraction form
    849,782.65/1,276,150.20 = 451,201.90/x
  3. Step 3: Cross multiply
    849,782.65x = 1,276,150.20 × 451,201.90
  4. Step 4: Simplify right side
    849,782.65x = 575,801,394,925.38
  5. Step 5: Solve for x
    x = 575,801,394,925.38/849,782.65
  6. Step 6: Final answer
    x = 677,586.67

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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.