Home / 426,012.23-587,898.87-235,025.57

Finding the Fourth Proportional to 426,012.23, 587,898.87 and 235,025.57

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Solution

The fourth proportional to 426,012.23, 587,898.87 and 235,025.57 is: 324,336.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,012.23 : 587,898.87 = 235,025.57 : x
  2. Step 2: Convert to fraction form
    426,012.23/587,898.87 = 235,025.57/x
  3. Step 3: Cross multiply
    426,012.23x = 587,898.87 × 235,025.57
  4. Step 4: Simplify right side
    426,012.23x = 138,171,267,024.11
  5. Step 5: Solve for x
    x = 138,171,267,024.11/426,012.23
  6. Step 6: Final answer
    x = 324,336.39

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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.