Home / 753,622.52-1,039,998.84-414,112.64

Finding the Fourth Proportional to 753,622.52, 1,039,998.84 and 414,112.64

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Solution

The fourth proportional to 753,622.52, 1,039,998.84 and 414,112.64 is: 571,475.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,622.52 : 1,039,998.84 = 414,112.64 : x
  2. Step 2: Convert to fraction form
    753,622.52/1,039,998.84 = 414,112.64/x
  3. Step 3: Cross multiply
    753,622.52x = 1,039,998.84 × 414,112.64
  4. Step 4: Simplify right side
    753,622.52x = 430,676,665,229.34
  5. Step 5: Solve for x
    x = 430,676,665,229.34/753,622.52
  6. Step 6: Final answer
    x = 571,475.31

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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.