Finding the Fourth Proportional to 861,375.30, 1,292,181.16 and 292,603.70
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Solution
The fourth proportional to 861,375.30, 1,292,181.16 and 292,603.70 is: 438,945.71
Step by Step Solution
- Step 1: Write the proportion equation
861,375.30 : 1,292,181.16 = 292,603.70 : x - Step 2: Convert to fraction form
861,375.30/1,292,181.16 = 292,603.70/x - Step 3: Cross multiply
861,375.30x = 1,292,181.16 × 292,603.70 - Step 4: Simplify right side
861,375.30x = 378,096,988,486.29 - Step 5: Solve for x
x = 378,096,988,486.29/861,375.30 - Step 6: Final answer
x = 438,945.71
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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.