Finding the Fourth Proportional to 942,452.64, 1,413,644.96 and 409,974.08
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Solution
The fourth proportional to 942,452.64, 1,413,644.96 and 409,974.08 is: 614,946.33
Step by Step Solution
- Step 1: Write the proportion equation
942,452.64 : 1,413,644.96 = 409,974.08 : x - Step 2: Convert to fraction form
942,452.64/1,413,644.96 = 409,974.08/x - Step 3: Cross multiply
942,452.64x = 1,413,644.96 × 409,974.08 - Step 4: Simplify right side
942,452.64x = 579,557,791,922.64 - Step 5: Solve for x
x = 579,557,791,922.64/942,452.64 - Step 6: Final answer
x = 614,946.33
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.