Home / 939,702.45-1,296,601.80-571,933.25

Finding the Fourth Proportional to 939,702.45, 1,296,601.80 and 571,933.25

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Solution

The fourth proportional to 939,702.45, 1,296,601.80 and 571,933.25 is: 789,153.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,702.45 : 1,296,601.80 = 571,933.25 : x
  2. Step 2: Convert to fraction form
    939,702.45/1,296,601.80 = 571,933.25/x
  3. Step 3: Cross multiply
    939,702.45x = 1,296,601.80 × 571,933.25
  4. Step 4: Simplify right side
    939,702.45x = 741,569,684,957.73
  5. Step 5: Solve for x
    x = 741,569,684,957.73/939,702.45
  6. Step 6: Final answer
    x = 789,153.72

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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.