Home / 889,672.02-1,334,232.03-320,979.21

Finding the Fourth Proportional to 889,672.02, 1,334,232.03 and 320,979.21

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Solution

The fourth proportional to 889,672.02, 1,334,232.03 and 320,979.21 is: 481,369.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,672.02 : 1,334,232.03 = 320,979.21 : x
  2. Step 2: Convert to fraction form
    889,672.02/1,334,232.03 = 320,979.21/x
  3. Step 3: Cross multiply
    889,672.02x = 1,334,232.03 × 320,979.21
  4. Step 4: Simplify right side
    889,672.02x = 428,260,742,946.10
  5. Step 5: Solve for x
    x = 428,260,742,946.10/889,672.02
  6. Step 6: Final answer
    x = 481,369.24

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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.