Finding the Fourth Proportional to 916,899.80, 1,372,239.30 and 804,925.40
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Solution
The fourth proportional to 916,899.80, 1,372,239.30 and 804,925.40 is: 1,204,657.55
Step by Step Solution
- Step 1: Write the proportion equation
916,899.80 : 1,372,239.30 = 804,925.40 : x - Step 2: Convert to fraction form
916,899.80/1,372,239.30 = 804,925.40/x - Step 3: Cross multiply
916,899.80x = 1,372,239.30 × 804,925.40 - Step 4: Simplify right side
916,899.80x = 1,104,550,267,448.22 - Step 5: Solve for x
x = 1,104,550,267,448.22/916,899.80 - Step 6: Final answer
x = 1,204,657.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.