Home / 713,485.36-1,070,286.28-358,316.72

Finding the Fourth Proportional to 713,485.36, 1,070,286.28 and 358,316.72

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Solution

The fourth proportional to 713,485.36, 1,070,286.28 and 358,316.72 is: 537,504.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,485.36 : 1,070,286.28 = 358,316.72 : x
  2. Step 2: Convert to fraction form
    713,485.36/1,070,286.28 = 358,316.72/x
  3. Step 3: Cross multiply
    713,485.36x = 1,070,286.28 × 358,316.72
  4. Step 4: Simplify right side
    713,485.36x = 383,501,469,310.60
  5. Step 5: Solve for x
    x = 383,501,469,310.60/713,485.36
  6. Step 6: Final answer
    x = 537,504.33

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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.