Home / 934,891.48-1,290,260.42-521,493.38

Finding the Fourth Proportional to 934,891.48, 1,290,260.42 and 521,493.38

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Solution

The fourth proportional to 934,891.48, 1,290,260.42 and 521,493.38 is: 719,722.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,891.48 : 1,290,260.42 = 521,493.38 : x
  2. Step 2: Convert to fraction form
    934,891.48/1,290,260.42 = 521,493.38/x
  3. Step 3: Cross multiply
    934,891.48x = 1,290,260.42 × 521,493.38
  4. Step 4: Simplify right side
    934,891.48x = 672,862,261,054.72
  5. Step 5: Solve for x
    x = 672,862,261,054.72/934,891.48
  6. Step 6: Final answer
    x = 719,722.32

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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.