Home / 344,977.20-517,465.80-325,731.60

Finding the Fourth Proportional to 344,977.20, 517,465.80 and 325,731.60

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Solution

The fourth proportional to 344,977.20, 517,465.80 and 325,731.60 is: 488,597.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,977.20 : 517,465.80 = 325,731.60 : x
  2. Step 2: Convert to fraction form
    344,977.20/517,465.80 = 325,731.60/x
  3. Step 3: Cross multiply
    344,977.20x = 517,465.80 × 325,731.60
  4. Step 4: Simplify right side
    344,977.20x = 168,554,962,979.28
  5. Step 5: Solve for x
    x = 168,554,962,979.28/344,977.20
  6. Step 6: Final answer
    x = 488,597.40

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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.