Home / 983,235.87-1,356,891.75-553,532.31

Finding the Fourth Proportional to 983,235.87, 1,356,891.75 and 553,532.31

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Solution

The fourth proportional to 983,235.87, 1,356,891.75 and 553,532.31 is: 763,889.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,235.87 : 1,356,891.75 = 553,532.31 : x
  2. Step 2: Convert to fraction form
    983,235.87/1,356,891.75 = 553,532.31/x
  3. Step 3: Cross multiply
    983,235.87x = 1,356,891.75 × 553,532.31
  4. Step 4: Simplify right side
    983,235.87x = 751,083,424,797.44
  5. Step 5: Solve for x
    x = 751,083,424,797.44/983,235.87
  6. Step 6: Final answer
    x = 763,889.37

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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.