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Finding the Fourth Proportional to 554,973.97, 765,864.07 and 300,325.16

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Solution

The fourth proportional to 554,973.97, 765,864.07 and 300,325.16 is: 414,448.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,973.97 : 765,864.07 = 300,325.16 : x
  2. Step 2: Convert to fraction form
    554,973.97/765,864.07 = 300,325.16/x
  3. Step 3: Cross multiply
    554,973.97x = 765,864.07 × 300,325.16
  4. Step 4: Simplify right side
    554,973.97x = 230,008,249,361.00
  5. Step 5: Solve for x
    x = 230,008,249,361.00/554,973.97
  6. Step 6: Final answer
    x = 414,448.72

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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.