Home / 674,274.03-930,531.38-383,891.36

Finding the Fourth Proportional to 674,274.03, 930,531.38 and 383,891.36

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Solution

The fourth proportional to 674,274.03, 930,531.38 and 383,891.36 is: 529,788.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,274.03 : 930,531.38 = 383,891.36 : x
  2. Step 2: Convert to fraction form
    674,274.03/930,531.38 = 383,891.36/x
  3. Step 3: Cross multiply
    674,274.03x = 930,531.38 × 383,891.36
  4. Step 4: Simplify right side
    674,274.03x = 357,222,950,418.76
  5. Step 5: Solve for x
    x = 357,222,950,418.76/674,274.03
  6. Step 6: Final answer
    x = 529,788.98

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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.