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Finding the Fourth Proportional to 466,598.48, 643,917.96 and 262,656.72

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Solution

The fourth proportional to 466,598.48, 643,917.96 and 262,656.72 is: 362,473.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,598.48 : 643,917.96 = 262,656.72 : x
  2. Step 2: Convert to fraction form
    466,598.48/643,917.96 = 262,656.72/x
  3. Step 3: Cross multiply
    466,598.48x = 643,917.96 × 262,656.72
  4. Step 4: Simplify right side
    466,598.48x = 169,129,379,322.69
  5. Step 5: Solve for x
    x = 169,129,379,322.69/466,598.48
  6. Step 6: Final answer
    x = 362,473.06

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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.