Home / 931,710.70-1,285,730.98-523,829.80

Finding the Fourth Proportional to 931,710.70, 1,285,730.98 and 523,829.80

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Solution

The fourth proportional to 931,710.70, 1,285,730.98 and 523,829.80 is: 722,868.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,710.70 : 1,285,730.98 = 523,829.80 : x
  2. Step 2: Convert to fraction form
    931,710.70/1,285,730.98 = 523,829.80/x
  3. Step 3: Cross multiply
    931,710.70x = 1,285,730.98 × 523,829.80
  4. Step 4: Simplify right side
    931,710.70x = 673,504,202,107.20
  5. Step 5: Solve for x
    x = 673,504,202,107.20/931,710.70
  6. Step 6: Final answer
    x = 722,868.38

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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.