Home / 939,426.26-1,296,391.89-571,770.50

Finding the Fourth Proportional to 939,426.26, 1,296,391.89 and 571,770.50

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Solution

The fourth proportional to 939,426.26, 1,296,391.89 and 571,770.50 is: 789,033.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,426.26 : 1,296,391.89 = 571,770.50 : x
  2. Step 2: Convert to fraction form
    939,426.26/1,296,391.89 = 571,770.50/x
  3. Step 3: Cross multiply
    939,426.26x = 1,296,391.89 × 571,770.50
  4. Step 4: Simplify right side
    939,426.26x = 741,238,639,141.25
  5. Step 5: Solve for x
    x = 741,238,639,141.25/939,426.26
  6. Step 6: Final answer
    x = 789,033.34

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Double scale
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1.5x scale

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.