Home / 858,780.26-1,185,153.75-476,807

Finding the Fourth Proportional to 858,780.26, 1,185,153.75 and 476,807

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Solution

The fourth proportional to 858,780.26, 1,185,153.75 and 476,807 is: 658,014.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,780.26 : 1,185,153.75 = 476,807 : x
  2. Step 2: Convert to fraction form
    858,780.26/1,185,153.75 = 476,807/x
  3. Step 3: Cross multiply
    858,780.26x = 1,185,153.75 × 476,807
  4. Step 4: Simplify right side
    858,780.26x = 565,089,604,076.25
  5. Step 5: Solve for x
    x = 565,089,604,076.25/858,780.26
  6. Step 6: Final answer
    x = 658,014.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.