Home / 743,508.45-1,114,635.74-322,467.21

Finding the Fourth Proportional to 743,508.45, 1,114,635.74 and 322,467.21

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Solution

The fourth proportional to 743,508.45, 1,114,635.74 and 322,467.21 is: 483,428.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,508.45 : 1,114,635.74 = 322,467.21 : x
  2. Step 2: Convert to fraction form
    743,508.45/1,114,635.74 = 322,467.21/x
  3. Step 3: Cross multiply
    743,508.45x = 1,114,635.74 × 322,467.21
  4. Step 4: Simplify right side
    743,508.45x = 359,433,475,631.75
  5. Step 5: Solve for x
    x = 359,433,475,631.75/743,508.45
  6. Step 6: Final answer
    x = 483,428.90

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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.