Home / 648,986.94-971,112.09-382,874.94

Finding the Fourth Proportional to 648,986.94, 971,112.09 and 382,874.94

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Solution

The fourth proportional to 648,986.94, 971,112.09 and 382,874.94 is: 572,915.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,986.94 : 971,112.09 = 382,874.94 : x
  2. Step 2: Convert to fraction form
    648,986.94/971,112.09 = 382,874.94/x
  3. Step 3: Cross multiply
    648,986.94x = 971,112.09 × 382,874.94
  4. Step 4: Simplify right side
    648,986.94x = 371,814,483,192.03
  5. Step 5: Solve for x
    x = 371,814,483,192.03/648,986.94
  6. Step 6: Final answer
    x = 572,915.20

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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.