Home / 346,887.40-520,331.10-204,586.60

Finding the Fourth Proportional to 346,887.40, 520,331.10 and 204,586.60

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Solution

The fourth proportional to 346,887.40, 520,331.10 and 204,586.60 is: 306,879.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,887.40 : 520,331.10 = 204,586.60 : x
  2. Step 2: Convert to fraction form
    346,887.40/520,331.10 = 204,586.60/x
  3. Step 3: Cross multiply
    346,887.40x = 520,331.10 × 204,586.60
  4. Step 4: Simplify right side
    346,887.40x = 106,452,770,623.26
  5. Step 5: Solve for x
    x = 106,452,770,623.26/346,887.40
  6. Step 6: Final answer
    x = 306,879.90

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1.5x scale

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.