Home / 713,316.38-1,070,438.22-308,903.54

Finding the Fourth Proportional to 713,316.38, 1,070,438.22 and 308,903.54

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Solution

The fourth proportional to 713,316.38, 1,070,438.22 and 308,903.54 is: 463,556.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,316.38 : 1,070,438.22 = 308,903.54 : x
  2. Step 2: Convert to fraction form
    713,316.38/1,070,438.22 = 308,903.54/x
  3. Step 3: Cross multiply
    713,316.38x = 1,070,438.22 × 308,903.54
  4. Step 4: Simplify right side
    713,316.38x = 330,662,150,157.11
  5. Step 5: Solve for x
    x = 330,662,150,157.11/713,316.38
  6. Step 6: Final answer
    x = 463,556.09

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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.