Home / 804,580.49-1,206,870.75-205,542.98

Finding the Fourth Proportional to 804,580.49, 1,206,870.75 and 205,542.98

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Solution

The fourth proportional to 804,580.49, 1,206,870.75 and 205,542.98 is: 308,314.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,580.49 : 1,206,870.75 = 205,542.98 : x
  2. Step 2: Convert to fraction form
    804,580.49/1,206,870.75 = 205,542.98/x
  3. Step 3: Cross multiply
    804,580.49x = 1,206,870.75 × 205,542.98
  4. Step 4: Simplify right side
    804,580.49x = 248,063,810,429.84
  5. Step 5: Solve for x
    x = 248,063,810,429.84/804,580.49
  6. Step 6: Final answer
    x = 308,314.47

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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.