Finding the Fourth Proportional to 868,633.26, 1,198,762.92 and 486,783.06
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Solution
The fourth proportional to 868,633.26, 1,198,762.92 and 486,783.06 is: 671,788.09
Step by Step Solution
- Step 1: Write the proportion equation
868,633.26 : 1,198,762.92 = 486,783.06 : x - Step 2: Convert to fraction form
868,633.26/1,198,762.92 = 486,783.06/x - Step 3: Cross multiply
868,633.26x = 1,198,762.92 × 486,783.06 - Step 4: Simplify right side
868,633.26x = 583,537,482,412.14 - Step 5: Solve for x
x = 583,537,482,412.14/868,633.26 - Step 6: Final answer
x = 671,788.09
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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.