Home / 849,731.03-1,274,788.56-281,110.79

Finding the Fourth Proportional to 849,731.03, 1,274,788.56 and 281,110.79

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Solution

The fourth proportional to 849,731.03, 1,274,788.56 and 281,110.79 is: 421,729.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,731.03 : 1,274,788.56 = 281,110.79 : x
  2. Step 2: Convert to fraction form
    849,731.03/1,274,788.56 = 281,110.79/x
  3. Step 3: Cross multiply
    849,731.03x = 1,274,788.56 × 281,110.79
  4. Step 4: Simplify right side
    849,731.03x = 358,356,812,810.62
  5. Step 5: Solve for x
    x = 358,356,812,810.62/849,731.03
  6. Step 6: Final answer
    x = 421,729.70

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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.