Home / 672,803.75-1,009,205.63-273,661.67

Finding the Fourth Proportional to 672,803.75, 1,009,205.63 and 273,661.67

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Solution

The fourth proportional to 672,803.75, 1,009,205.63 and 273,661.67 is: 410,492.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,803.75 : 1,009,205.63 = 273,661.67 : x
  2. Step 2: Convert to fraction form
    672,803.75/1,009,205.63 = 273,661.67/x
  3. Step 3: Cross multiply
    672,803.75x = 1,009,205.63 × 273,661.67
  4. Step 4: Simplify right side
    672,803.75x = 276,180,898,079.20
  5. Step 5: Solve for x
    x = 276,180,898,079.20/672,803.75
  6. Step 6: Final answer
    x = 410,492.51

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Double scale
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Similar ratio
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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.