Home / 480,822.08-663,311.04-311,111.04

Finding the Fourth Proportional to 480,822.08, 663,311.04 and 311,111.04

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Solution

The fourth proportional to 480,822.08, 663,311.04 and 311,111.04 is: 429,188.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,822.08 : 663,311.04 = 311,111.04 : x
  2. Step 2: Convert to fraction form
    480,822.08/663,311.04 = 311,111.04/x
  3. Step 3: Cross multiply
    480,822.08x = 663,311.04 × 311,111.04
  4. Step 4: Simplify right side
    480,822.08x = 206,363,387,497.88
  5. Step 5: Solve for x
    x = 206,363,387,497.88/480,822.08
  6. Step 6: Final answer
    x = 429,188.67

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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.