Home / 779,674.47-1,167,408.97-509,132.43

Finding the Fourth Proportional to 779,674.47, 1,167,408.97 and 509,132.43

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Solution

The fourth proportional to 779,674.47, 1,167,408.97 and 509,132.43 is: 762,325.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,674.47 : 1,167,408.97 = 509,132.43 : x
  2. Step 2: Convert to fraction form
    779,674.47/1,167,408.97 = 509,132.43/x
  3. Step 3: Cross multiply
    779,674.47x = 1,167,408.97 × 509,132.43
  4. Step 4: Simplify right side
    779,674.47x = 594,365,765,699.90
  5. Step 5: Solve for x
    x = 594,365,765,699.90/779,674.47
  6. Step 6: Final answer
    x = 762,325.55

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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.