Home / 884,311.15-1,325,318.55-409,987.30

Finding the Fourth Proportional to 884,311.15, 1,325,318.55 and 409,987.30

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Solution

The fourth proportional to 884,311.15, 1,325,318.55 and 409,987.30 is: 614,448.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,311.15 : 1,325,318.55 = 409,987.30 : x
  2. Step 2: Convert to fraction form
    884,311.15/1,325,318.55 = 409,987.30/x
  3. Step 3: Cross multiply
    884,311.15x = 1,325,318.55 × 409,987.30
  4. Step 4: Simplify right side
    884,311.15x = 543,363,773,954.42
  5. Step 5: Solve for x
    x = 543,363,773,954.42/884,311.15
  6. Step 6: Final answer
    x = 614,448.63

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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.