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Finding the Fourth Proportional to 551,174.94, 760,704.51 and 336,439.47

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Solution

The fourth proportional to 551,174.94, 760,704.51 and 336,439.47 is: 464,337.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,174.94 : 760,704.51 = 336,439.47 : x
  2. Step 2: Convert to fraction form
    551,174.94/760,704.51 = 336,439.47/x
  3. Step 3: Cross multiply
    551,174.94x = 760,704.51 × 336,439.47
  4. Step 4: Simplify right side
    551,174.94x = 255,931,022,171.01
  5. Step 5: Solve for x
    x = 255,931,022,171.01/551,174.94
  6. Step 6: Final answer
    x = 464,337.19

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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.