Home / 679,598.04-1,019,519.96-280,016.52

Finding the Fourth Proportional to 679,598.04, 1,019,519.96 and 280,016.52

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Solution

The fourth proportional to 679,598.04, 1,019,519.96 and 280,016.52 is: 420,075.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,598.04 : 1,019,519.96 = 280,016.52 : x
  2. Step 2: Convert to fraction form
    679,598.04/1,019,519.96 = 280,016.52/x
  3. Step 3: Cross multiply
    679,598.04x = 1,019,519.96 × 280,016.52
  4. Step 4: Simplify right side
    679,598.04x = 285,482,431,269.74
  5. Step 5: Solve for x
    x = 285,482,431,269.74/679,598.04
  6. Step 6: Final answer
    x = 420,075.42

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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.