Home / 677,728.36-1,015,931.58-322,647.04

Finding the Fourth Proportional to 677,728.36, 1,015,931.58 and 322,647.04

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Solution

The fourth proportional to 677,728.36, 1,015,931.58 and 322,647.04 is: 483,655.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,728.36 : 1,015,931.58 = 322,647.04 : x
  2. Step 2: Convert to fraction form
    677,728.36/1,015,931.58 = 322,647.04/x
  3. Step 3: Cross multiply
    677,728.36x = 1,015,931.58 × 322,647.04
  4. Step 4: Simplify right side
    677,728.36x = 327,787,317,129.52
  5. Step 5: Solve for x
    x = 327,787,317,129.52/677,728.36
  6. Step 6: Final answer
    x = 483,655.90

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1.5x scale

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.