Home / 919,884.68-1,379,718.35-246,018.21

Finding the Fourth Proportional to 919,884.68, 1,379,718.35 and 246,018.21

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Solution

The fourth proportional to 919,884.68, 1,379,718.35 and 246,018.21 is: 368,998.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,884.68 : 1,379,718.35 = 246,018.21 : x
  2. Step 2: Convert to fraction form
    919,884.68/1,379,718.35 = 246,018.21/x
  3. Step 3: Cross multiply
    919,884.68x = 1,379,718.35 × 246,018.21
  4. Step 4: Simplify right side
    919,884.68x = 339,435,830,642.47
  5. Step 5: Solve for x
    x = 339,435,830,642.47/919,884.68
  6. Step 6: Final answer
    x = 368,998.24

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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.