Home / 679,597.04-1,019,518.46-280,015.52

Finding the Fourth Proportional to 679,597.04, 1,019,518.46 and 280,015.52

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Solution

The fourth proportional to 679,597.04, 1,019,518.46 and 280,015.52 is: 420,073.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,597.04 : 1,019,518.46 = 280,015.52 : x
  2. Step 2: Convert to fraction form
    679,597.04/1,019,518.46 = 280,015.52/x
  3. Step 3: Cross multiply
    679,597.04x = 1,019,518.46 × 280,015.52
  4. Step 4: Simplify right side
    679,597.04x = 285,480,991,726.50
  5. Step 5: Solve for x
    x = 285,480,991,726.50/679,597.04
  6. Step 6: Final answer
    x = 420,073.92

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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.