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Finding the Fourth Proportional to 602,555.75, 902,899.19 and 349,207.86

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Solution

The fourth proportional to 602,555.75, 902,899.19 and 349,207.86 is: 523,270.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,555.75 : 902,899.19 = 349,207.86 : x
  2. Step 2: Convert to fraction form
    602,555.75/902,899.19 = 349,207.86/x
  3. Step 3: Cross multiply
    602,555.75x = 902,899.19 × 349,207.86
  4. Step 4: Simplify right side
    602,555.75x = 315,299,493,935.63
  5. Step 5: Solve for x
    x = 315,299,493,935.63/602,555.75
  6. Step 6: Final answer
    x = 523,270.24

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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.