Home / 901,406.35-1,243,955.44-493,501.31

Finding the Fourth Proportional to 901,406.35, 1,243,955.44 and 493,501.31

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Solution

The fourth proportional to 901,406.35, 1,243,955.44 and 493,501.31 is: 681,039.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,406.35 : 1,243,955.44 = 493,501.31 : x
  2. Step 2: Convert to fraction form
    901,406.35/1,243,955.44 = 493,501.31/x
  3. Step 3: Cross multiply
    901,406.35x = 1,243,955.44 × 493,501.31
  4. Step 4: Simplify right side
    901,406.35x = 613,893,636,754.12
  5. Step 5: Solve for x
    x = 613,893,636,754.12/901,406.35
  6. Step 6: Final answer
    x = 681,039.84

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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.