Home / 715,922.72-1,073,213.40-242,276.48

Finding the Fourth Proportional to 715,922.72, 1,073,213.40 and 242,276.48

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Solution

The fourth proportional to 715,922.72, 1,073,213.40 and 242,276.48 is: 363,187.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,922.72 : 1,073,213.40 = 242,276.48 : x
  2. Step 2: Convert to fraction form
    715,922.72/1,073,213.40 = 242,276.48/x
  3. Step 3: Cross multiply
    715,922.72x = 1,073,213.40 × 242,276.48
  4. Step 4: Simplify right side
    715,922.72x = 260,014,364,840.83
  5. Step 5: Solve for x
    x = 260,014,364,840.83/715,922.72
  6. Step 6: Final answer
    x = 363,187.75

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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.