Home / 849,845.49-1,274,768.38-281,073.98

Finding the Fourth Proportional to 849,845.49, 1,274,768.38 and 281,073.98

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Solution

The fourth proportional to 849,845.49, 1,274,768.38 and 281,073.98 is: 421,611.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,845.49 : 1,274,768.38 = 281,073.98 : x
  2. Step 2: Convert to fraction form
    849,845.49/1,274,768.38 = 281,073.98/x
  3. Step 3: Cross multiply
    849,845.49x = 1,274,768.38 × 281,073.98
  4. Step 4: Simplify right side
    849,845.49x = 358,304,225,683.02
  5. Step 5: Solve for x
    x = 358,304,225,683.02/849,845.49
  6. Step 6: Final answer
    x = 421,611.02

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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.