Home / 889,796.04-1,334,921.57-258,709.85

Finding the Fourth Proportional to 889,796.04, 1,334,921.57 and 258,709.85

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Solution

The fourth proportional to 889,796.04, 1,334,921.57 and 258,709.85 is: 388,130.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,796.04 : 1,334,921.57 = 258,709.85 : x
  2. Step 2: Convert to fraction form
    889,796.04/1,334,921.57 = 258,709.85/x
  3. Step 3: Cross multiply
    889,796.04x = 1,334,921.57 × 258,709.85
  4. Step 4: Simplify right side
    889,796.04x = 345,357,359,136.47
  5. Step 5: Solve for x
    x = 345,357,359,136.47/889,796.04
  6. Step 6: Final answer
    x = 388,130.92

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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.