Home / 705,699.02-1,058,546.90-306,288.02

Finding the Fourth Proportional to 705,699.02, 1,058,546.90 and 306,288.02

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Solution

The fourth proportional to 705,699.02, 1,058,546.90 and 306,288.02 is: 459,431.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,699.02 : 1,058,546.90 = 306,288.02 : x
  2. Step 2: Convert to fraction form
    705,699.02/1,058,546.90 = 306,288.02/x
  3. Step 3: Cross multiply
    705,699.02x = 1,058,546.90 × 306,288.02
  4. Step 4: Simplify right side
    705,699.02x = 324,220,234,078.14
  5. Step 5: Solve for x
    x = 324,220,234,078.14/705,699.02
  6. Step 6: Final answer
    x = 459,431.32

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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.