Home / 705,804.36-1,058,111.08-306,144.24

Finding the Fourth Proportional to 705,804.36, 1,058,111.08 and 306,144.24

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Solution

The fourth proportional to 705,804.36, 1,058,111.08 and 306,144.24 is: 458,958.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,804.36 : 1,058,111.08 = 306,144.24 : x
  2. Step 2: Convert to fraction form
    705,804.36/1,058,111.08 = 306,144.24/x
  3. Step 3: Cross multiply
    705,804.36x = 1,058,111.08 × 306,144.24
  4. Step 4: Simplify right side
    705,804.36x = 323,934,612,422.18
  5. Step 5: Solve for x
    x = 323,934,612,422.18/705,804.36
  6. Step 6: Final answer
    x = 458,958.08

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Double scale
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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.