Home / 938,989.76-1,408,499.22-229,031.24

Finding the Fourth Proportional to 938,989.76, 1,408,499.22 and 229,031.24

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Solution

The fourth proportional to 938,989.76, 1,408,499.22 and 229,031.24 is: 343,550.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,989.76 : 1,408,499.22 = 229,031.24 : x
  2. Step 2: Convert to fraction form
    938,989.76/1,408,499.22 = 229,031.24/x
  3. Step 3: Cross multiply
    938,989.76x = 1,408,499.22 × 229,031.24
  4. Step 4: Simplify right side
    938,989.76x = 322,590,322,895.63
  5. Step 5: Solve for x
    x = 322,590,322,895.63/938,989.76
  6. Step 6: Final answer
    x = 343,550.42

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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.