Home / 865,124.91-1,297,386.81-481,459.23

Finding the Fourth Proportional to 865,124.91, 1,297,386.81 and 481,459.23

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Solution

The fourth proportional to 865,124.91, 1,297,386.81 and 481,459.23 is: 722,021.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,124.91 : 1,297,386.81 = 481,459.23 : x
  2. Step 2: Convert to fraction form
    865,124.91/1,297,386.81 = 481,459.23/x
  3. Step 3: Cross multiply
    865,124.91x = 1,297,386.81 × 481,459.23
  4. Step 4: Simplify right side
    865,124.91x = 624,638,854,554.76
  5. Step 5: Solve for x
    x = 624,638,854,554.76/865,124.91
  6. Step 6: Final answer
    x = 722,021.58

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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.