Home / 705,861.73-1,058,705.05-417,844.75

Finding the Fourth Proportional to 705,861.73, 1,058,705.05 and 417,844.75

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Solution

The fourth proportional to 705,861.73, 1,058,705.05 and 417,844.75 is: 626,715.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,861.73 : 1,058,705.05 = 417,844.75 : x
  2. Step 2: Convert to fraction form
    705,861.73/1,058,705.05 = 417,844.75/x
  3. Step 3: Cross multiply
    705,861.73x = 1,058,705.05 × 417,844.75
  4. Step 4: Simplify right side
    705,861.73x = 442,374,346,940.99
  5. Step 5: Solve for x
    x = 442,374,346,940.99/705,861.73
  6. Step 6: Final answer
    x = 626,715.30

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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.