Finding the Fourth Proportional to 902,970.42, 1,246,257.90 and 685,897.98
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Solution
The fourth proportional to 902,970.42, 1,246,257.90 and 685,897.98 is: 946,659.78
Step by Step Solution
- Step 1: Write the proportion equation
902,970.42 : 1,246,257.90 = 685,897.98 : x - Step 2: Convert to fraction form
902,970.42/1,246,257.90 = 685,897.98/x - Step 3: Cross multiply
902,970.42x = 1,246,257.90 × 685,897.98 - Step 4: Simplify right side
902,970.42x = 854,805,776,169.04 - Step 5: Solve for x
x = 854,805,776,169.04/902,970.42 - Step 6: Final answer
x = 946,659.78
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.