Home / 753,621.52-1,039,997.46-414,111.64

Finding the Fourth Proportional to 753,621.52, 1,039,997.46 and 414,111.64

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Solution

The fourth proportional to 753,621.52, 1,039,997.46 and 414,111.64 is: 571,473.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,621.52 : 1,039,997.46 = 414,111.64 : x
  2. Step 2: Convert to fraction form
    753,621.52/1,039,997.46 = 414,111.64/x
  3. Step 3: Cross multiply
    753,621.52x = 1,039,997.46 × 414,111.64
  4. Step 4: Simplify right side
    753,621.52x = 430,675,053,756.43
  5. Step 5: Solve for x
    x = 430,675,053,756.43/753,621.52
  6. Step 6: Final answer
    x = 571,473.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.