Home / 664,032.72-916,272.66-377,521.14

Finding the Fourth Proportional to 664,032.72, 916,272.66 and 377,521.14

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Solution

The fourth proportional to 664,032.72, 916,272.66 and 377,521.14 is: 520,926.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,032.72 : 916,272.66 = 377,521.14 : x
  2. Step 2: Convert to fraction form
    664,032.72/916,272.66 = 377,521.14/x
  3. Step 3: Cross multiply
    664,032.72x = 916,272.66 × 377,521.14
  4. Step 4: Simplify right side
    664,032.72x = 345,912,299,154.03
  5. Step 5: Solve for x
    x = 345,912,299,154.03/664,032.72
  6. Step 6: Final answer
    x = 520,926.59

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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.