Home / 705,876.30-1,058,814.45-200,436.30

Finding the Fourth Proportional to 705,876.30, 1,058,814.45 and 200,436.30

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Solution

The fourth proportional to 705,876.30, 1,058,814.45 and 200,436.30 is: 300,654.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,876.30 : 1,058,814.45 = 200,436.30 : x
  2. Step 2: Convert to fraction form
    705,876.30/1,058,814.45 = 200,436.30/x
  3. Step 3: Cross multiply
    705,876.30x = 1,058,814.45 × 200,436.30
  4. Step 4: Simplify right side
    705,876.30x = 212,224,850,744.54
  5. Step 5: Solve for x
    x = 212,224,850,744.54/705,876.30
  6. Step 6: Final answer
    x = 300,654.45

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1.5x scale

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.