Home / 769,828.55-1,062,341.43-425,658.56

Finding the Fourth Proportional to 769,828.55, 1,062,341.43 and 425,658.56

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Solution

The fourth proportional to 769,828.55, 1,062,341.43 and 425,658.56 is: 587,396.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,828.55 : 1,062,341.43 = 425,658.56 : x
  2. Step 2: Convert to fraction form
    769,828.55/1,062,341.43 = 425,658.56/x
  3. Step 3: Cross multiply
    769,828.55x = 1,062,341.43 × 425,658.56
  4. Step 4: Simplify right side
    769,828.55x = 452,194,723,322.14
  5. Step 5: Solve for x
    x = 452,194,723,322.14/769,828.55
  6. Step 6: Final answer
    x = 587,396.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.