Home / 695,316.53-1,043,136.54-215,518.88

Finding the Fourth Proportional to 695,316.53, 1,043,136.54 and 215,518.88

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Solution

The fourth proportional to 695,316.53, 1,043,136.54 and 215,518.88 is: 323,328.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,316.53 : 1,043,136.54 = 215,518.88 : x
  2. Step 2: Convert to fraction form
    695,316.53/1,043,136.54 = 215,518.88/x
  3. Step 3: Cross multiply
    695,316.53x = 1,043,136.54 × 215,518.88
  4. Step 4: Simplify right side
    695,316.53x = 224,815,621,395.72
  5. Step 5: Solve for x
    x = 224,815,621,395.72/695,316.53
  6. Step 6: Final answer
    x = 323,328.46

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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.