Home / 779,956.02-1,169,928.63-218,991.06

Finding the Fourth Proportional to 779,956.02, 1,169,928.63 and 218,991.06

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Solution

The fourth proportional to 779,956.02, 1,169,928.63 and 218,991.06 is: 328,485.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,956.02 : 1,169,928.63 = 218,991.06 : x
  2. Step 2: Convert to fraction form
    779,956.02/1,169,928.63 = 218,991.06/x
  3. Step 3: Cross multiply
    779,956.02x = 1,169,928.63 × 218,991.06
  4. Step 4: Simplify right side
    779,956.02x = 256,203,910,808.05
  5. Step 5: Solve for x
    x = 256,203,910,808.05/779,956.02
  6. Step 6: Final answer
    x = 328,485.07

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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.