Home / 929,841.20-1,394,105.70-424,644.20

Finding the Fourth Proportional to 929,841.20, 1,394,105.70 and 424,644.20

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Solution

The fourth proportional to 929,841.20, 1,394,105.70 and 424,644.20 is: 636,666.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,841.20 : 1,394,105.70 = 424,644.20 : x
  2. Step 2: Convert to fraction form
    929,841.20/1,394,105.70 = 424,644.20/x
  3. Step 3: Cross multiply
    929,841.20x = 1,394,105.70 × 424,644.20
  4. Step 4: Simplify right side
    929,841.20x = 591,998,899,691.94
  5. Step 5: Solve for x
    x = 591,998,899,691.94/929,841.20
  6. Step 6: Final answer
    x = 636,666.67

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Double scale
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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.