Home / 813,837.52-1,220,523-245,273.68

Finding the Fourth Proportional to 813,837.52, 1,220,523 and 245,273.68

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Solution

The fourth proportional to 813,837.52, 1,220,523 and 245,273.68 is: 367,840.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,837.52 : 1,220,523 = 245,273.68 : x
  2. Step 2: Convert to fraction form
    813,837.52/1,220,523 = 245,273.68/x
  3. Step 3: Cross multiply
    813,837.52x = 1,220,523 × 245,273.68
  4. Step 4: Simplify right side
    813,837.52x = 299,362,167,734.64
  5. Step 5: Solve for x
    x = 299,362,167,734.64/813,837.52
  6. Step 6: Final answer
    x = 367,840.21

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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.