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Finding the Fourth Proportional to 787,506.84, 1,181,277 and 282,100.68

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Solution

The fourth proportional to 787,506.84, 1,181,277 and 282,100.68 is: 423,157.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,506.84 : 1,181,277 = 282,100.68 : x
  2. Step 2: Convert to fraction form
    787,506.84/1,181,277 = 282,100.68/x
  3. Step 3: Cross multiply
    787,506.84x = 1,181,277 × 282,100.68
  4. Step 4: Simplify right side
    787,506.84x = 333,239,044,968.36
  5. Step 5: Solve for x
    x = 333,239,044,968.36/787,506.84
  6. Step 6: Final answer
    x = 423,157.02

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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.