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Finding the Fourth Proportional to 559,892.08, 772,665.78 and 345,174.04

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Solution

The fourth proportional to 559,892.08, 772,665.78 and 345,174.04 is: 476,349.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,892.08 : 772,665.78 = 345,174.04 : x
  2. Step 2: Convert to fraction form
    559,892.08/772,665.78 = 345,174.04/x
  3. Step 3: Cross multiply
    559,892.08x = 772,665.78 × 345,174.04
  4. Step 4: Simplify right side
    559,892.08x = 266,704,168,852.35
  5. Step 5: Solve for x
    x = 266,704,168,852.35/559,892.08
  6. Step 6: Final answer
    x = 476,349.24

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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.