Home / 708,851.04-1,062,072.96-427,777.68

Finding the Fourth Proportional to 708,851.04, 1,062,072.96 and 427,777.68

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Solution

The fourth proportional to 708,851.04, 1,062,072.96 and 427,777.68 is: 640,940.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,851.04 : 1,062,072.96 = 427,777.68 : x
  2. Step 2: Convert to fraction form
    708,851.04/1,062,072.96 = 427,777.68/x
  3. Step 3: Cross multiply
    708,851.04x = 1,062,072.96 × 427,777.68
  4. Step 4: Simplify right side
    708,851.04x = 454,331,106,819.53
  5. Step 5: Solve for x
    x = 454,331,106,819.53/708,851.04
  6. Step 6: Final answer
    x = 640,940.17

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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.