Home / 511,943.63-767,317.50-385,176.60

Finding the Fourth Proportional to 511,943.63, 767,317.50 and 385,176.60

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Solution

The fourth proportional to 511,943.63, 767,317.50 and 385,176.60 is: 577,315.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,943.63 : 767,317.50 = 385,176.60 : x
  2. Step 2: Convert to fraction form
    511,943.63/767,317.50 = 385,176.60/x
  3. Step 3: Cross multiply
    511,943.63x = 767,317.50 × 385,176.60
  4. Step 4: Simplify right side
    511,943.63x = 295,552,745,770.50
  5. Step 5: Solve for x
    x = 295,552,745,770.50/511,943.63
  6. Step 6: Final answer
    x = 577,315.02

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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.