Home / 841,073.75-1,261,549.62-328,642.57

Finding the Fourth Proportional to 841,073.75, 1,261,549.62 and 328,642.57

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Solution

The fourth proportional to 841,073.75, 1,261,549.62 and 328,642.57 is: 492,940.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,073.75 : 1,261,549.62 = 328,642.57 : x
  2. Step 2: Convert to fraction form
    841,073.75/1,261,549.62 = 328,642.57/x
  3. Step 3: Cross multiply
    841,073.75x = 1,261,549.62 × 328,642.57
  4. Step 4: Simplify right side
    841,073.75x = 414,598,906,145.45
  5. Step 5: Solve for x
    x = 414,598,906,145.45/841,073.75
  6. Step 6: Final answer
    x = 492,940.01

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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.