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Finding the Fourth Proportional to 554,637.87, 765,410.37 and 325,359.62

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Solution

The fourth proportional to 554,637.87, 765,410.37 and 325,359.62 is: 449,002.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,637.87 : 765,410.37 = 325,359.62 : x
  2. Step 2: Convert to fraction form
    554,637.87/765,410.37 = 325,359.62/x
  3. Step 3: Cross multiply
    554,637.87x = 765,410.37 × 325,359.62
  4. Step 4: Simplify right side
    554,637.87x = 249,033,627,127.26
  5. Step 5: Solve for x
    x = 249,033,627,127.26/554,637.87
  6. Step 6: Final answer
    x = 449,002.21

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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.