Home / 448,898.31-673,370.55-426,197.25

Finding the Fourth Proportional to 448,898.31, 673,370.55 and 426,197.25

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Solution

The fourth proportional to 448,898.31, 673,370.55 and 426,197.25 is: 639,317.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,898.31 : 673,370.55 = 426,197.25 : x
  2. Step 2: Convert to fraction form
    448,898.31/673,370.55 = 426,197.25/x
  3. Step 3: Cross multiply
    448,898.31x = 673,370.55 × 426,197.25
  4. Step 4: Simplify right side
    448,898.31x = 286,988,676,640.99
  5. Step 5: Solve for x
    x = 286,988,676,640.99/448,898.31
  6. Step 6: Final answer
    x = 639,317.79

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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.