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Finding the Fourth Proportional to 559,670.24, 772,125.27 and 344,436.64

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Solution

The fourth proportional to 559,670.24, 772,125.27 and 344,436.64 is: 475,187.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,670.24 : 772,125.27 = 344,436.64 : x
  2. Step 2: Convert to fraction form
    559,670.24/772,125.27 = 344,436.64/x
  3. Step 3: Cross multiply
    559,670.24x = 772,125.27 × 344,436.64
  4. Step 4: Simplify right side
    559,670.24x = 265,948,233,657.89
  5. Step 5: Solve for x
    x = 265,948,233,657.89/559,670.24
  6. Step 6: Final answer
    x = 475,187.38

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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.