Home / 439,905.70-659,421.15-202,834.90

Finding the Fourth Proportional to 439,905.70, 659,421.15 and 202,834.90

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Solution

The fourth proportional to 439,905.70, 659,421.15 and 202,834.90 is: 304,050.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,905.70 : 659,421.15 = 202,834.90 : x
  2. Step 2: Convert to fraction form
    439,905.70/659,421.15 = 202,834.90/x
  3. Step 3: Cross multiply
    439,905.70x = 659,421.15 × 202,834.90
  4. Step 4: Simplify right side
    439,905.70x = 133,753,623,018.14
  5. Step 5: Solve for x
    x = 133,753,623,018.14/439,905.70
  6. Step 6: Final answer
    x = 304,050.67

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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.