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Finding the Fourth Proportional to 478,877.27, 660,880.40 and 264,017.00

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Solution

The fourth proportional to 478,877.27, 660,880.40 and 264,017.00 is: 364,359.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,877.27 : 660,880.40 = 264,017.00 : x
  2. Step 2: Convert to fraction form
    478,877.27/660,880.40 = 264,017.00/x
  3. Step 3: Cross multiply
    478,877.27x = 660,880.40 × 264,017.00
  4. Step 4: Simplify right side
    478,877.27x = 174,483,655,942.31
  5. Step 5: Solve for x
    x = 174,483,655,942.31/478,877.27
  6. Step 6: Final answer
    x = 364,359.87

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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.