Home / 813,054.06-1,219,570.02-252,088.56

Finding the Fourth Proportional to 813,054.06, 1,219,570.02 and 252,088.56

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Solution

The fourth proportional to 813,054.06, 1,219,570.02 and 252,088.56 is: 378,129.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,054.06 : 1,219,570.02 = 252,088.56 : x
  2. Step 2: Convert to fraction form
    813,054.06/1,219,570.02 = 252,088.56/x
  3. Step 3: Cross multiply
    813,054.06x = 1,219,570.02 × 252,088.56
  4. Step 4: Simplify right side
    813,054.06x = 307,439,650,160.97
  5. Step 5: Solve for x
    x = 307,439,650,160.97/813,054.06
  6. Step 6: Final answer
    x = 378,129.41

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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.