Home / 865,126.91-1,297,389.81-481,461.23

Finding the Fourth Proportional to 865,126.91, 1,297,389.81 and 481,461.23

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Solution

The fourth proportional to 865,126.91, 1,297,389.81 and 481,461.23 is: 722,024.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,126.91 : 1,297,389.81 = 481,461.23 : x
  2. Step 2: Convert to fraction form
    865,126.91/1,297,389.81 = 481,461.23/x
  3. Step 3: Cross multiply
    865,126.91x = 1,297,389.81 × 481,461.23
  4. Step 4: Simplify right side
    865,126.91x = 624,642,893,712.07
  5. Step 5: Solve for x
    x = 624,642,893,712.07/865,126.91
  6. Step 6: Final answer
    x = 722,024.58

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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.