Home / 719,178.94-1,078,944.05-239,405.82

Finding the Fourth Proportional to 719,178.94, 1,078,944.05 and 239,405.82

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Solution

The fourth proportional to 719,178.94, 1,078,944.05 and 239,405.82 is: 359,167.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,178.94 : 1,078,944.05 = 239,405.82 : x
  2. Step 2: Convert to fraction form
    719,178.94/1,078,944.05 = 239,405.82/x
  3. Step 3: Cross multiply
    719,178.94x = 1,078,944.05 × 239,405.82
  4. Step 4: Simplify right side
    719,178.94x = 258,305,485,024.37
  5. Step 5: Solve for x
    x = 258,305,485,024.37/719,178.94
  6. Step 6: Final answer
    x = 359,167.20

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1.5x scale

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.