Home / 705,857.73-1,058,699.06-417,840.75

Finding the Fourth Proportional to 705,857.73, 1,058,699.06 and 417,840.75

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Solution

The fourth proportional to 705,857.73, 1,058,699.06 and 417,840.75 is: 626,709.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,857.73 : 1,058,699.06 = 417,840.75 : x
  2. Step 2: Convert to fraction form
    705,857.73/1,058,699.06 = 417,840.75/x
  3. Step 3: Cross multiply
    705,857.73x = 1,058,699.06 × 417,840.75
  4. Step 4: Simplify right side
    705,857.73x = 442,367,607,165.49
  5. Step 5: Solve for x
    x = 442,367,607,165.49/705,857.73
  6. Step 6: Final answer
    x = 626,709.30

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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.