Home / 940,578.78-1,411,242.02-300,981.06

Finding the Fourth Proportional to 940,578.78, 1,411,242.02 and 300,981.06

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Solution

The fourth proportional to 940,578.78, 1,411,242.02 and 300,981.06 is: 451,591.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,578.78 : 1,411,242.02 = 300,981.06 : x
  2. Step 2: Convert to fraction form
    940,578.78/1,411,242.02 = 300,981.06/x
  3. Step 3: Cross multiply
    940,578.78x = 1,411,242.02 × 300,981.06
  4. Step 4: Simplify right side
    940,578.78x = 424,757,110,535.03
  5. Step 5: Solve for x
    x = 424,757,110,535.03/940,578.78
  6. Step 6: Final answer
    x = 451,591.21

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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.