Home / 455,626.06-628,766.01-248,897.30

Finding the Fourth Proportional to 455,626.06, 628,766.01 and 248,897.30

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Solution

The fourth proportional to 455,626.06, 628,766.01 and 248,897.30 is: 343,479.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,626.06 : 628,766.01 = 248,897.30 : x
  2. Step 2: Convert to fraction form
    455,626.06/628,766.01 = 248,897.30/x
  3. Step 3: Cross multiply
    455,626.06x = 628,766.01 × 248,897.30
  4. Step 4: Simplify right side
    455,626.06x = 156,498,162,220.77
  5. Step 5: Solve for x
    x = 156,498,162,220.77/455,626.06
  6. Step 6: Final answer
    x = 343,479.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.