Home / 715,636.90-1,072,655.37-310,361.16

Finding the Fourth Proportional to 715,636.90, 1,072,655.37 and 310,361.16

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Solution

The fourth proportional to 715,636.90, 1,072,655.37 and 310,361.16 is: 465,194.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,636.90 : 1,072,655.37 = 310,361.16 : x
  2. Step 2: Convert to fraction form
    715,636.90/1,072,655.37 = 310,361.16/x
  3. Step 3: Cross multiply
    715,636.90x = 1,072,655.37 × 310,361.16
  4. Step 4: Simplify right side
    715,636.90x = 332,910,564,913.43
  5. Step 5: Solve for x
    x = 332,910,564,913.43/715,636.90
  6. Step 6: Final answer
    x = 465,194.80

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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.