Home / 810,055.06-1,213,751.25-277,285.46

Finding the Fourth Proportional to 810,055.06, 1,213,751.25 and 277,285.46

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Solution

The fourth proportional to 810,055.06, 1,213,751.25 and 277,285.46 is: 415,472.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,055.06 : 1,213,751.25 = 277,285.46 : x
  2. Step 2: Convert to fraction form
    810,055.06/1,213,751.25 = 277,285.46/x
  3. Step 3: Cross multiply
    810,055.06x = 1,213,751.25 × 277,285.46
  4. Step 4: Simplify right side
    810,055.06x = 336,555,566,226.64
  5. Step 5: Solve for x
    x = 336,555,566,226.64/810,055.06
  6. Step 6: Final answer
    x = 415,472.46

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Double scale
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Similar ratio
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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.