Home / 691,058.70-1,036,640.53-235,508.35

Finding the Fourth Proportional to 691,058.70, 1,036,640.53 and 235,508.35

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Solution

The fourth proportional to 691,058.70, 1,036,640.53 and 235,508.35 is: 353,280.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,058.70 : 1,036,640.53 = 235,508.35 : x
  2. Step 2: Convert to fraction form
    691,058.70/1,036,640.53 = 235,508.35/x
  3. Step 3: Cross multiply
    691,058.70x = 1,036,640.53 × 235,508.35
  4. Step 4: Simplify right side
    691,058.70x = 244,137,499,585.88
  5. Step 5: Solve for x
    x = 244,137,499,585.88/691,058.70
  6. Step 6: Final answer
    x = 353,280.41

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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.