Home / 1,382,441-2,073,661.50-331,817

Finding the Fourth Proportional to 1,382,441, 2,073,661.50 and 331,817

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Solution

The fourth proportional to 1,382,441, 2,073,661.50 and 331,817 is: 497,725.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,441 : 2,073,661.50 = 331,817 : x
  2. Step 2: Convert to fraction form
    1,382,441/2,073,661.50 = 331,817/x
  3. Step 3: Cross multiply
    1,382,441x = 2,073,661.50 × 331,817
  4. Step 4: Simplify right side
    1,382,441x = 688,076,137,945.50
  5. Step 5: Solve for x
    x = 688,076,137,945.50/1,382,441
  6. Step 6: Final answer
    x = 497,725.50

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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.