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Finding the Fourth Proportional to 660,252.06, 989,998.27 and 352,123.94

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Solution

The fourth proportional to 660,252.06, 989,998.27 and 352,123.94 is: 527,983.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,252.06 : 989,998.27 = 352,123.94 : x
  2. Step 2: Convert to fraction form
    660,252.06/989,998.27 = 352,123.94/x
  3. Step 3: Cross multiply
    660,252.06x = 989,998.27 × 352,123.94
  4. Step 4: Simplify right side
    660,252.06x = 348,602,093,020.27
  5. Step 5: Solve for x
    x = 348,602,093,020.27/660,252.06
  6. Step 6: Final answer
    x = 527,983.35

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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.