Home / 814,051.50-1,123,405.11-451,491.18

Finding the Fourth Proportional to 814,051.50, 1,123,405.11 and 451,491.18

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Solution

The fourth proportional to 814,051.50, 1,123,405.11 and 451,491.18 is: 623,065.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,051.50 : 1,123,405.11 = 451,491.18 : x
  2. Step 2: Convert to fraction form
    814,051.50/1,123,405.11 = 451,491.18/x
  3. Step 3: Cross multiply
    814,051.50x = 1,123,405.11 × 451,491.18
  4. Step 4: Simplify right side
    814,051.50x = 507,207,498,731.93
  5. Step 5: Solve for x
    x = 507,207,498,731.93/814,051.50
  6. Step 6: Final answer
    x = 623,065.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.