Home / 705,775.72-1,058,068.50-306,115.60

Finding the Fourth Proportional to 705,775.72, 1,058,068.50 and 306,115.60

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Solution

The fourth proportional to 705,775.72, 1,058,068.50 and 306,115.60 is: 458,915.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,775.72 : 1,058,068.50 = 306,115.60 : x
  2. Step 2: Convert to fraction form
    705,775.72/1,058,068.50 = 306,115.60/x
  3. Step 3: Cross multiply
    705,775.72x = 1,058,068.50 × 306,115.60
  4. Step 4: Simplify right side
    705,775.72x = 323,891,273,718.60
  5. Step 5: Solve for x
    x = 323,891,273,718.60/705,775.72
  6. Step 6: Final answer
    x = 458,915.30

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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.