Home / 420,929.10-632,948.85-352,500.30

Finding the Fourth Proportional to 420,929.10, 632,948.85 and 352,500.30

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Solution

The fourth proportional to 420,929.10, 632,948.85 and 352,500.30 is: 530,052.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,929.10 : 632,948.85 = 352,500.30 : x
  2. Step 2: Convert to fraction form
    420,929.10/632,948.85 = 352,500.30/x
  3. Step 3: Cross multiply
    420,929.10x = 632,948.85 × 352,500.30
  4. Step 4: Simplify right side
    420,929.10x = 223,114,659,509.66
  5. Step 5: Solve for x
    x = 223,114,659,509.66/420,929.10
  6. Step 6: Final answer
    x = 530,052.83

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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.