Home / 713,696.20-1,070,488.68-264,205.60

Finding the Fourth Proportional to 713,696.20, 1,070,488.68 and 264,205.60

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Solution

The fourth proportional to 713,696.20, 1,070,488.68 and 264,205.60 is: 396,287.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,696.20 : 1,070,488.68 = 264,205.60 : x
  2. Step 2: Convert to fraction form
    713,696.20/1,070,488.68 = 264,205.60/x
  3. Step 3: Cross multiply
    713,696.20x = 1,070,488.68 × 264,205.60
  4. Step 4: Simplify right side
    713,696.20x = 282,829,103,992.61
  5. Step 5: Solve for x
    x = 282,829,103,992.61/713,696.20
  6. Step 6: Final answer
    x = 396,287.81

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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.