Home / 779,954.52-1,169,926.38-218,989.56

Finding the Fourth Proportional to 779,954.52, 1,169,926.38 and 218,989.56

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Solution

The fourth proportional to 779,954.52, 1,169,926.38 and 218,989.56 is: 328,482.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,954.52 : 1,169,926.38 = 218,989.56 : x
  2. Step 2: Convert to fraction form
    779,954.52/1,169,926.38 = 218,989.56/x
  3. Step 3: Cross multiply
    779,954.52x = 1,169,926.38 × 218,989.56
  4. Step 4: Simplify right side
    779,954.52x = 256,201,663,188.59
  5. Step 5: Solve for x
    x = 256,201,663,188.59/779,954.52
  6. Step 6: Final answer
    x = 328,482.82

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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.