Home / 699,434.20-1,046,732.10-419,152.60

Finding the Fourth Proportional to 699,434.20, 1,046,732.10 and 419,152.60

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Solution

The fourth proportional to 699,434.20, 1,046,732.10 and 419,152.60 is: 627,279.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,434.20 : 1,046,732.10 = 419,152.60 : x
  2. Step 2: Convert to fraction form
    699,434.20/1,046,732.10 = 419,152.60/x
  3. Step 3: Cross multiply
    699,434.20x = 1,046,732.10 × 419,152.60
  4. Step 4: Simplify right side
    699,434.20x = 438,740,481,218.46
  5. Step 5: Solve for x
    x = 438,740,481,218.46/699,434.20
  6. Step 6: Final answer
    x = 627,279.14

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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.