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Finding the Fourth Proportional to 497,029.10, 744,668.85 and 427,045.10

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Solution

The fourth proportional to 497,029.10, 744,668.85 and 427,045.10 is: 639,816.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,029.10 : 744,668.85 = 427,045.10 : x
  2. Step 2: Convert to fraction form
    497,029.10/744,668.85 = 427,045.10/x
  3. Step 3: Cross multiply
    497,029.10x = 744,668.85 × 427,045.10
  4. Step 4: Simplify right side
    497,029.10x = 318,007,183,515.14
  5. Step 5: Solve for x
    x = 318,007,183,515.14/497,029.10
  6. Step 6: Final answer
    x = 639,816.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.