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Finding the Fourth Proportional to 655,714.99, 982,988.97 and 256,264.93

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Solution

The fourth proportional to 655,714.99, 982,988.97 and 256,264.93 is: 384,169.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,714.99 : 982,988.97 = 256,264.93 : x
  2. Step 2: Convert to fraction form
    655,714.99/982,988.97 = 256,264.93/x
  3. Step 3: Cross multiply
    655,714.99x = 982,988.97 × 256,264.93
  4. Step 4: Simplify right side
    655,714.99x = 251,905,599,587.82
  5. Step 5: Solve for x
    x = 251,905,599,587.82/655,714.99
  6. Step 6: Final answer
    x = 384,169.35

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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.