Home / 705,749.74-1,058,029.53-306,089.50

Finding the Fourth Proportional to 705,749.74, 1,058,029.53 and 306,089.50

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Solution

The fourth proportional to 705,749.74, 1,058,029.53 and 306,089.50 is: 458,876.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,749.74 : 1,058,029.53 = 306,089.50 : x
  2. Step 2: Convert to fraction form
    705,749.74/1,058,029.53 = 306,089.50/x
  3. Step 3: Cross multiply
    705,749.74x = 1,058,029.53 × 306,089.50
  4. Step 4: Simplify right side
    705,749.74x = 323,851,729,822.94
  5. Step 5: Solve for x
    x = 323,851,729,822.94/705,749.74
  6. Step 6: Final answer
    x = 458,876.16

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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.