Finding the Fourth Proportional to 797,206.50, 1,100,188.74 and 457,696.62
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Solution
The fourth proportional to 797,206.50, 1,100,188.74 and 457,696.62 is: 631,646.47
Step by Step Solution
- Step 1: Write the proportion equation
797,206.50 : 1,100,188.74 = 457,696.62 : x - Step 2: Convert to fraction form
797,206.50/1,100,188.74 = 457,696.62/x - Step 3: Cross multiply
797,206.50x = 1,100,188.74 × 457,696.62 - Step 4: Simplify right side
797,206.50x = 503,552,667,660.06 - Step 5: Solve for x
x = 503,552,667,660.06/797,206.50 - Step 6: Final answer
x = 631,646.47
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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.