Home / 715,058.27-1,072,587.41-265,892.21

Finding the Fourth Proportional to 715,058.27, 1,072,587.41 and 265,892.21

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Solution

The fourth proportional to 715,058.27, 1,072,587.41 and 265,892.21 is: 398,838.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,058.27 : 1,072,587.41 = 265,892.21 : x
  2. Step 2: Convert to fraction form
    715,058.27/1,072,587.41 = 265,892.21/x
  3. Step 3: Cross multiply
    715,058.27x = 1,072,587.41 × 265,892.21
  4. Step 4: Simplify right side
    715,058.27x = 285,192,636,863.08
  5. Step 5: Solve for x
    x = 285,192,636,863.08/715,058.27
  6. Step 6: Final answer
    x = 398,838.32

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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.