Home / 808,128.72-1,212,329.16-247,032

Finding the Fourth Proportional to 808,128.72, 1,212,329.16 and 247,032

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Solution

The fourth proportional to 808,128.72, 1,212,329.16 and 247,032 is: 370,589.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,128.72 : 1,212,329.16 = 247,032 : x
  2. Step 2: Convert to fraction form
    808,128.72/1,212,329.16 = 247,032/x
  3. Step 3: Cross multiply
    808,128.72x = 1,212,329.16 × 247,032
  4. Step 4: Simplify right side
    808,128.72x = 299,484,097,053.12
  5. Step 5: Solve for x
    x = 299,484,097,053.12/808,128.72
  6. Step 6: Final answer
    x = 370,589.60

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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.