Home / 842,040.52-1,263,374.45-505,322.71

Finding the Fourth Proportional to 842,040.52, 1,263,374.45 and 505,322.71

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Solution

The fourth proportional to 842,040.52, 1,263,374.45 and 505,322.71 is: 758,172.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,040.52 : 1,263,374.45 = 505,322.71 : x
  2. Step 2: Convert to fraction form
    842,040.52/1,263,374.45 = 505,322.71/x
  3. Step 3: Cross multiply
    842,040.52x = 1,263,374.45 × 505,322.71
  4. Step 4: Simplify right side
    842,040.52x = 638,411,802,082.07
  5. Step 5: Solve for x
    x = 638,411,802,082.07/842,040.52
  6. Step 6: Final answer
    x = 758,172.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.