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Finding the Fourth Proportional to 636,652.85, 955,249.29 and 299,686.01

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Solution

The fourth proportional to 636,652.85, 955,249.29 and 299,686.01 is: 449,656.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,652.85 : 955,249.29 = 299,686.01 : x
  2. Step 2: Convert to fraction form
    636,652.85/955,249.29 = 299,686.01/x
  3. Step 3: Cross multiply
    636,652.85x = 955,249.29 × 299,686.01
  4. Step 4: Simplify right side
    636,652.85x = 286,274,843,499.19
  5. Step 5: Solve for x
    x = 286,274,843,499.19/636,652.85
  6. Step 6: Final answer
    x = 449,656.11

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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.