Home / 679,076.80-1,017,871.20-341,579.20

Finding the Fourth Proportional to 679,076.80, 1,017,871.20 and 341,579.20

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Solution

The fourth proportional to 679,076.80, 1,017,871.20 and 341,579.20 is: 511,994.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,076.80 : 1,017,871.20 = 341,579.20 : x
  2. Step 2: Convert to fraction form
    679,076.80/1,017,871.20 = 341,579.20/x
  3. Step 3: Cross multiply
    679,076.80x = 1,017,871.20 × 341,579.20
  4. Step 4: Simplify right side
    679,076.80x = 347,683,630,199.04
  5. Step 5: Solve for x
    x = 347,683,630,199.04/679,076.80
  6. Step 6: Final answer
    x = 511,994.56

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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.