Home / 743,208.82-1,114,855.62-210,688

Finding the Fourth Proportional to 743,208.82, 1,114,855.62 and 210,688

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Solution

The fourth proportional to 743,208.82, 1,114,855.62 and 210,688 is: 316,044.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,208.82 : 1,114,855.62 = 210,688 : x
  2. Step 2: Convert to fraction form
    743,208.82/1,114,855.62 = 210,688/x
  3. Step 3: Cross multiply
    743,208.82x = 1,114,855.62 × 210,688
  4. Step 4: Simplify right side
    743,208.82x = 234,886,700,866.56
  5. Step 5: Solve for x
    x = 234,886,700,866.56/743,208.82
  6. Step 6: Final answer
    x = 316,044.02

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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.