Home / 448,614.10-673,288.35-445,114.90

Finding the Fourth Proportional to 448,614.10, 673,288.35 and 445,114.90

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Solution

The fourth proportional to 448,614.10, 673,288.35 and 445,114.90 is: 668,036.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,614.10 : 673,288.35 = 445,114.90 : x
  2. Step 2: Convert to fraction form
    448,614.10/673,288.35 = 445,114.90/x
  3. Step 3: Cross multiply
    448,614.10x = 673,288.35 × 445,114.90
  4. Step 4: Simplify right side
    448,614.10x = 299,690,676,581.42
  5. Step 5: Solve for x
    x = 299,690,676,581.42/448,614.10
  6. Step 6: Final answer
    x = 668,036.69

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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.