Home / 502,539.48-693,666.10-321,738.37

Finding the Fourth Proportional to 502,539.48, 693,666.10 and 321,738.37

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Solution

The fourth proportional to 502,539.48, 693,666.10 and 321,738.37 is: 444,102.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,539.48 : 693,666.10 = 321,738.37 : x
  2. Step 2: Convert to fraction form
    502,539.48/693,666.10 = 321,738.37/x
  3. Step 3: Cross multiply
    502,539.48x = 693,666.10 × 321,738.37
  4. Step 4: Simplify right side
    502,539.48x = 223,179,000,338.26
  5. Step 5: Solve for x
    x = 223,179,000,338.26/502,539.48
  6. Step 6: Final answer
    x = 444,102.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.