Home / 856,132.16-1,284,209-257,058.44

Finding the Fourth Proportional to 856,132.16, 1,284,209 and 257,058.44

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Solution

The fourth proportional to 856,132.16, 1,284,209 and 257,058.44 is: 385,590.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,132.16 : 1,284,209 = 257,058.44 : x
  2. Step 2: Convert to fraction form
    856,132.16/1,284,209 = 257,058.44/x
  3. Step 3: Cross multiply
    856,132.16x = 1,284,209 × 257,058.44
  4. Step 4: Simplify right side
    856,132.16x = 330,116,762,173.96
  5. Step 5: Solve for x
    x = 330,116,762,173.96/856,132.16
  6. Step 6: Final answer
    x = 385,590.89

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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.