Home / 687,972.45-949,851.63-446,941.97

Finding the Fourth Proportional to 687,972.45, 949,851.63 and 446,941.97

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Solution

The fourth proportional to 687,972.45, 949,851.63 and 446,941.97 is: 617,072.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,972.45 : 949,851.63 = 446,941.97 : x
  2. Step 2: Convert to fraction form
    687,972.45/949,851.63 = 446,941.97/x
  3. Step 3: Cross multiply
    687,972.45x = 949,851.63 × 446,941.97
  4. Step 4: Simplify right side
    687,972.45x = 424,528,553,970.65
  5. Step 5: Solve for x
    x = 424,528,553,970.65/687,972.45
  6. Step 6: Final answer
    x = 617,072.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.