Home / 708,459.33-1,062,693.78-258,995.28

Finding the Fourth Proportional to 708,459.33, 1,062,693.78 and 258,995.28

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Solution

The fourth proportional to 708,459.33, 1,062,693.78 and 258,995.28 is: 388,494.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,459.33 : 1,062,693.78 = 258,995.28 : x
  2. Step 2: Convert to fraction form
    708,459.33/1,062,693.78 = 258,995.28/x
  3. Step 3: Cross multiply
    708,459.33x = 1,062,693.78 × 258,995.28
  4. Step 4: Simplify right side
    708,459.33x = 275,232,673,105.36
  5. Step 5: Solve for x
    x = 275,232,673,105.36/708,459.33
  6. Step 6: Final answer
    x = 388,494.67

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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.