Home / 849,912.02-1,274,961.42-281,085.92

Finding the Fourth Proportional to 849,912.02, 1,274,961.42 and 281,085.92

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Solution

The fourth proportional to 849,912.02, 1,274,961.42 and 281,085.92 is: 421,659.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,912.02 : 1,274,961.42 = 281,085.92 : x
  2. Step 2: Convert to fraction form
    849,912.02/1,274,961.42 = 281,085.92/x
  3. Step 3: Cross multiply
    849,912.02x = 1,274,961.42 × 281,085.92
  4. Step 4: Simplify right side
    849,912.02x = 358,373,697,330.40
  5. Step 5: Solve for x
    x = 358,373,697,330.40/849,912.02
  6. Step 6: Final answer
    x = 421,659.76

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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.