Home / 753,260.52-1,039,680.54-431,157.36

Finding the Fourth Proportional to 753,260.52, 1,039,680.54 and 431,157.36

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Solution

The fourth proportional to 753,260.52, 1,039,680.54 and 431,157.36 is: 595,100.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,260.52 : 1,039,680.54 = 431,157.36 : x
  2. Step 2: Convert to fraction form
    753,260.52/1,039,680.54 = 431,157.36/x
  3. Step 3: Cross multiply
    753,260.52x = 1,039,680.54 × 431,157.36
  4. Step 4: Simplify right side
    753,260.52x = 448,265,916,869.77
  5. Step 5: Solve for x
    x = 448,265,916,869.77/753,260.52
  6. Step 6: Final answer
    x = 595,100.77

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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.