Home / 669,083.20-1,003,624.80-469,628.80

Finding the Fourth Proportional to 669,083.20, 1,003,624.80 and 469,628.80

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Solution

The fourth proportional to 669,083.20, 1,003,624.80 and 469,628.80 is: 704,443.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,083.20 : 1,003,624.80 = 469,628.80 : x
  2. Step 2: Convert to fraction form
    669,083.20/1,003,624.80 = 469,628.80/x
  3. Step 3: Cross multiply
    669,083.20x = 1,003,624.80 × 469,628.80
  4. Step 4: Simplify right side
    669,083.20x = 471,331,110,474.24
  5. Step 5: Solve for x
    x = 471,331,110,474.24/669,083.20
  6. Step 6: Final answer
    x = 704,443.20

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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.