Finding the Fourth Proportional to 854,269.08, 1,178,787.42 and 472,242.84
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Solution
The fourth proportional to 854,269.08, 1,178,787.42 and 472,242.84 is: 651,637.68
Step by Step Solution
- Step 1: Write the proportion equation
854,269.08 : 1,178,787.42 = 472,242.84 : x - Step 2: Convert to fraction form
854,269.08/1,178,787.42 = 472,242.84/x - Step 3: Cross multiply
854,269.08x = 1,178,787.42 × 472,242.84 - Step 4: Simplify right side
854,269.08x = 556,673,918,977.07 - Step 5: Solve for x
x = 556,673,918,977.07/854,269.08 - Step 6: Final answer
x = 651,637.68
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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.