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Finding the Fourth Proportional to 594,511.65, 891,768.08 and 278,968.86

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Solution

The fourth proportional to 594,511.65, 891,768.08 and 278,968.86 is: 418,453.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,511.65 : 891,768.08 = 278,968.86 : x
  2. Step 2: Convert to fraction form
    594,511.65/891,768.08 = 278,968.86/x
  3. Step 3: Cross multiply
    594,511.65x = 891,768.08 × 278,968.86
  4. Step 4: Simplify right side
    594,511.65x = 248,775,525,359.41
  5. Step 5: Solve for x
    x = 248,775,525,359.41/594,511.65
  6. Step 6: Final answer
    x = 418,453.58

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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.