Finding the Fourth Proportional to 646,268.22, 891,269.52 and 404,572.80
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Solution
The fourth proportional to 646,268.22, 891,269.52 and 404,572.80 is: 557,946.99
Step by Step Solution
- Step 1: Write the proportion equation
646,268.22 : 891,269.52 = 404,572.80 : x - Step 2: Convert to fraction form
646,268.22/891,269.52 = 404,572.80/x - Step 3: Cross multiply
646,268.22x = 891,269.52 × 404,572.80 - Step 4: Simplify right side
646,268.22x = 360,583,405,261.06 - Step 5: Solve for x
x = 360,583,405,261.06/646,268.22 - Step 6: Final answer
x = 557,946.99
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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.