Home / 426,266.32-587,433.58-305,197.32

Finding the Fourth Proportional to 426,266.32, 587,433.58 and 305,197.32

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Solution

The fourth proportional to 426,266.32, 587,433.58 and 305,197.32 is: 420,589.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,266.32 : 587,433.58 = 305,197.32 : x
  2. Step 2: Convert to fraction form
    426,266.32/587,433.58 = 305,197.32/x
  3. Step 3: Cross multiply
    426,266.32x = 587,433.58 × 305,197.32
  4. Step 4: Simplify right side
    426,266.32x = 179,283,154,294.01
  5. Step 5: Solve for x
    x = 179,283,154,294.01/426,266.32
  6. Step 6: Final answer
    x = 420,589.54

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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.