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Finding the Fourth Proportional to 554,369.64, 765,030.04 and 299,720.84

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Solution

The fourth proportional to 554,369.64, 765,030.04 and 299,720.84 is: 413,614.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,369.64 : 765,030.04 = 299,720.84 : x
  2. Step 2: Convert to fraction form
    554,369.64/765,030.04 = 299,720.84/x
  3. Step 3: Cross multiply
    554,369.64x = 765,030.04 × 299,720.84
  4. Step 4: Simplify right side
    554,369.64x = 229,295,446,214.03
  5. Step 5: Solve for x
    x = 229,295,446,214.03/554,369.64
  6. Step 6: Final answer
    x = 413,614.73

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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.