Home / 605,890.20-908,835.30-290,184.60

Finding the Fourth Proportional to 605,890.20, 908,835.30 and 290,184.60

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Solution

The fourth proportional to 605,890.20, 908,835.30 and 290,184.60 is: 435,276.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,890.20 : 908,835.30 = 290,184.60 : x
  2. Step 2: Convert to fraction form
    605,890.20/908,835.30 = 290,184.60/x
  3. Step 3: Cross multiply
    605,890.20x = 908,835.30 × 290,184.60
  4. Step 4: Simplify right side
    605,890.20x = 263,730,007,996.38
  5. Step 5: Solve for x
    x = 263,730,007,996.38/605,890.20
  6. Step 6: Final answer
    x = 435,276.90

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Similar ratio
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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.