Home / 847,768.68-1,271,649.78-216,681.48

Finding the Fourth Proportional to 847,768.68, 1,271,649.78 and 216,681.48

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Solution

The fourth proportional to 847,768.68, 1,271,649.78 and 216,681.48 is: 325,021.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,768.68 : 1,271,649.78 = 216,681.48 : x
  2. Step 2: Convert to fraction form
    847,768.68/1,271,649.78 = 216,681.48/x
  3. Step 3: Cross multiply
    847,768.68x = 1,271,649.78 × 216,681.48
  4. Step 4: Simplify right side
    847,768.68x = 275,542,956,372.07
  5. Step 5: Solve for x
    x = 275,542,956,372.07/847,768.68
  6. Step 6: Final answer
    x = 325,021.39

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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.