Home / 448,035.03-672,052.55-260,915.31

Finding the Fourth Proportional to 448,035.03, 672,052.55 and 260,915.31

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Solution

The fourth proportional to 448,035.03, 672,052.55 and 260,915.31 is: 391,372.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,035.03 : 672,052.55 = 260,915.31 : x
  2. Step 2: Convert to fraction form
    448,035.03/672,052.55 = 260,915.31/x
  3. Step 3: Cross multiply
    448,035.03x = 672,052.55 × 260,915.31
  4. Step 4: Simplify right side
    448,035.03x = 175,348,799,419.54
  5. Step 5: Solve for x
    x = 175,348,799,419.54/448,035.03
  6. Step 6: Final answer
    x = 391,372.97

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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.