Home / 834,825.40-1,252,835.98-355,389.33

Finding the Fourth Proportional to 834,825.40, 1,252,835.98 and 355,389.33

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Solution

The fourth proportional to 834,825.40, 1,252,835.98 and 355,389.33 is: 533,338.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,825.40 : 1,252,835.98 = 355,389.33 : x
  2. Step 2: Convert to fraction form
    834,825.40/1,252,835.98 = 355,389.33/x
  3. Step 3: Cross multiply
    834,825.40x = 1,252,835.98 × 355,389.33
  4. Step 4: Simplify right side
    834,825.40x = 445,244,539,532.09
  5. Step 5: Solve for x
    x = 445,244,539,532.09/834,825.40
  6. Step 6: Final answer
    x = 533,338.52

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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.