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Finding the Fourth Proportional to 574,731.81, 793,129.62 and 333,154.38

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Solution

The fourth proportional to 574,731.81, 793,129.62 and 333,154.38 is: 459,752.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,731.81 : 793,129.62 = 333,154.38 : x
  2. Step 2: Convert to fraction form
    574,731.81/793,129.62 = 333,154.38/x
  3. Step 3: Cross multiply
    574,731.81x = 793,129.62 × 333,154.38
  4. Step 4: Simplify right side
    574,731.81x = 264,234,606,810.74
  5. Step 5: Solve for x
    x = 264,234,606,810.74/574,731.81
  6. Step 6: Final answer
    x = 459,752.88

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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.