Home / 379,918.40-569,877.60-362,422.40

Finding the Fourth Proportional to 379,918.40, 569,877.60 and 362,422.40

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Solution

The fourth proportional to 379,918.40, 569,877.60 and 362,422.40 is: 543,633.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,918.40 : 569,877.60 = 362,422.40 : x
  2. Step 2: Convert to fraction form
    379,918.40/569,877.60 = 362,422.40/x
  3. Step 3: Cross multiply
    379,918.40x = 569,877.60 × 362,422.40
  4. Step 4: Simplify right side
    379,918.40x = 206,536,407,498.24
  5. Step 5: Solve for x
    x = 206,536,407,498.24/379,918.40
  6. Step 6: Final answer
    x = 543,633.60

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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.