Home / 705,672.36-1,058,348.94-326,384.97

Finding the Fourth Proportional to 705,672.36, 1,058,348.94 and 326,384.97

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Solution

The fourth proportional to 705,672.36, 1,058,348.94 and 326,384.97 is: 489,503.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,672.36 : 1,058,348.94 = 326,384.97 : x
  2. Step 2: Convert to fraction form
    705,672.36/1,058,348.94 = 326,384.97/x
  3. Step 3: Cross multiply
    705,672.36x = 1,058,348.94 × 326,384.97
  4. Step 4: Simplify right side
    705,672.36x = 345,429,187,031.43
  5. Step 5: Solve for x
    x = 345,429,187,031.43/705,672.36
  6. Step 6: Final answer
    x = 489,503.64

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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.