Home / 676,816.20-1,014,932.70-339,726.60

Finding the Fourth Proportional to 676,816.20, 1,014,932.70 and 339,726.60

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Solution

The fourth proportional to 676,816.20, 1,014,932.70 and 339,726.60 is: 509,443.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,816.20 : 1,014,932.70 = 339,726.60 : x
  2. Step 2: Convert to fraction form
    676,816.20/1,014,932.70 = 339,726.60/x
  3. Step 3: Cross multiply
    676,816.20x = 1,014,932.70 × 339,726.60
  4. Step 4: Simplify right side
    676,816.20x = 344,799,635,399.82
  5. Step 5: Solve for x
    x = 344,799,635,399.82/676,816.20
  6. Step 6: Final answer
    x = 509,443.53

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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.