Home / 813,858.76-1,220,669.29-237,327.12

Finding the Fourth Proportional to 813,858.76, 1,220,669.29 and 237,327.12

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Solution

The fourth proportional to 813,858.76, 1,220,669.29 and 237,327.12 is: 355,956.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,858.76 : 1,220,669.29 = 237,327.12 : x
  2. Step 2: Convert to fraction form
    813,858.76/1,220,669.29 = 237,327.12/x
  3. Step 3: Cross multiply
    813,858.76x = 1,220,669.29 × 237,327.12
  4. Step 4: Simplify right side
    813,858.76x = 289,697,929,462.97
  5. Step 5: Solve for x
    x = 289,697,929,462.97/813,858.76
  6. Step 6: Final answer
    x = 355,956.03

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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.