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Finding the Fourth Proportional to 576,607.99, 795,714.27 and 314,963.51

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Solution

The fourth proportional to 576,607.99, 795,714.27 and 314,963.51 is: 434,647.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,607.99 : 795,714.27 = 314,963.51 : x
  2. Step 2: Convert to fraction form
    576,607.99/795,714.27 = 314,963.51/x
  3. Step 3: Cross multiply
    576,607.99x = 795,714.27 × 314,963.51
  4. Step 4: Simplify right side
    576,607.99x = 250,620,957,447.00
  5. Step 5: Solve for x
    x = 250,620,957,447.00/576,607.99
  6. Step 6: Final answer
    x = 434,647.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.