Home / 701,979.77-1,053,100.89-281,288.45

Finding the Fourth Proportional to 701,979.77, 1,053,100.89 and 281,288.45

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Solution

The fourth proportional to 701,979.77, 1,053,100.89 and 281,288.45 is: 421,985.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,979.77 : 1,053,100.89 = 281,288.45 : x
  2. Step 2: Convert to fraction form
    701,979.77/1,053,100.89 = 281,288.45/x
  3. Step 3: Cross multiply
    701,979.77x = 1,053,100.89 × 281,288.45
  4. Step 4: Simplify right side
    701,979.77x = 296,225,119,674.47
  5. Step 5: Solve for x
    x = 296,225,119,674.47/701,979.77
  6. Step 6: Final answer
    x = 421,985.26

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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.