Home / 809,455.37-1,213,971.47-240,683.30

Finding the Fourth Proportional to 809,455.37, 1,213,971.47 and 240,683.30

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Solution

The fourth proportional to 809,455.37, 1,213,971.47 and 240,683.30 is: 360,962.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,455.37 : 1,213,971.47 = 240,683.30 : x
  2. Step 2: Convert to fraction form
    809,455.37/1,213,971.47 = 240,683.30/x
  3. Step 3: Cross multiply
    809,455.37x = 1,213,971.47 × 240,683.30
  4. Step 4: Simplify right side
    809,455.37x = 292,182,652,232.18
  5. Step 5: Solve for x
    x = 292,182,652,232.18/809,455.37
  6. Step 6: Final answer
    x = 360,962.03

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1.5x scale

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.