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Finding the Fourth Proportional to 478,898.64, 660,884.40 and 264,046.41

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Solution

The fourth proportional to 478,898.64, 660,884.40 and 264,046.41 is: 364,386.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,898.64 : 660,884.40 = 264,046.41 : x
  2. Step 2: Convert to fraction form
    478,898.64/660,884.40 = 264,046.41/x
  3. Step 3: Cross multiply
    478,898.64x = 660,884.40 × 264,046.41
  4. Step 4: Simplify right side
    478,898.64x = 174,504,153,245.00
  5. Step 5: Solve for x
    x = 174,504,153,245.00/478,898.64
  6. Step 6: Final answer
    x = 364,386.40

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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.