Home / 706,085.40-1,058,795.32-256,489.32

Finding the Fourth Proportional to 706,085.40, 1,058,795.32 and 256,489.32

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Solution

The fourth proportional to 706,085.40, 1,058,795.32 and 256,489.32 is: 384,613.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,085.40 : 1,058,795.32 = 256,489.32 : x
  2. Step 2: Convert to fraction form
    706,085.40/1,058,795.32 = 256,489.32/x
  3. Step 3: Cross multiply
    706,085.40x = 1,058,795.32 × 256,489.32
  4. Step 4: Simplify right side
    706,085.40x = 271,569,691,645.98
  5. Step 5: Solve for x
    x = 271,569,691,645.98/706,085.40
  6. Step 6: Final answer
    x = 384,613.10

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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.