Home / 909,866.12-1,365,082.38-270,173.22

Finding the Fourth Proportional to 909,866.12, 1,365,082.38 and 270,173.22

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Solution

The fourth proportional to 909,866.12, 1,365,082.38 and 270,173.22 is: 405,343.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,866.12 : 1,365,082.38 = 270,173.22 : x
  2. Step 2: Convert to fraction form
    909,866.12/1,365,082.38 = 270,173.22/x
  3. Step 3: Cross multiply
    909,866.12x = 1,365,082.38 × 270,173.22
  4. Step 4: Simplify right side
    909,866.12x = 368,808,702,169.86
  5. Step 5: Solve for x
    x = 368,808,702,169.86/909,866.12
  6. Step 6: Final answer
    x = 405,343.92

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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.