Home / 788,815.05-1,088,651.26-457,743.91

Finding the Fourth Proportional to 788,815.05, 1,088,651.26 and 457,743.91

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Solution

The fourth proportional to 788,815.05, 1,088,651.26 and 457,743.91 is: 631,736.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,815.05 : 1,088,651.26 = 457,743.91 : x
  2. Step 2: Convert to fraction form
    788,815.05/1,088,651.26 = 457,743.91/x
  3. Step 3: Cross multiply
    788,815.05x = 1,088,651.26 × 457,743.91
  4. Step 4: Simplify right side
    788,815.05x = 498,323,484,378.83
  5. Step 5: Solve for x
    x = 498,323,484,378.83/788,815.05
  6. Step 6: Final answer
    x = 631,736.79

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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.