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Finding the Fourth Proportional to 947,010, 1,306,912.80 and 544,602

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Solution

The fourth proportional to 947,010, 1,306,912.80 and 544,602 is: 751,573.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,010 : 1,306,912.80 = 544,602 : x
  2. Step 2: Convert to fraction form
    947,010/1,306,912.80 = 544,602/x
  3. Step 3: Cross multiply
    947,010x = 1,306,912.80 × 544,602
  4. Step 4: Simplify right side
    947,010x = 711,747,324,705.60
  5. Step 5: Solve for x
    x = 711,747,324,705.60/947,010
  6. Step 6: Final answer
    x = 751,573.19

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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.