Home / 811,450.59-1,217,286.63-338,025.24

Finding the Fourth Proportional to 811,450.59, 1,217,286.63 and 338,025.24

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Solution

The fourth proportional to 811,450.59, 1,217,286.63 and 338,025.24 is: 507,083.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,450.59 : 1,217,286.63 = 338,025.24 : x
  2. Step 2: Convert to fraction form
    811,450.59/1,217,286.63 = 338,025.24/x
  3. Step 3: Cross multiply
    811,450.59x = 1,217,286.63 × 338,025.24
  4. Step 4: Simplify right side
    811,450.59x = 411,473,597,477.98
  5. Step 5: Solve for x
    x = 411,473,597,477.98/811,450.59
  6. Step 6: Final answer
    x = 507,083.98

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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.