Finding the Fourth Proportional to 807,787.51, 1,210,537.18 and 448,115.55
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Solution
The fourth proportional to 807,787.51, 1,210,537.18 and 448,115.55 is: 671,538.65
Step by Step Solution
- Step 1: Write the proportion equation
807,787.51 : 1,210,537.18 = 448,115.55 : x - Step 2: Convert to fraction form
807,787.51/1,210,537.18 = 448,115.55/x - Step 3: Cross multiply
807,787.51x = 1,210,537.18 × 448,115.55 - Step 4: Simplify right side
807,787.51x = 542,460,534,211.15 - Step 5: Solve for x
x = 542,460,534,211.15/807,787.51 - Step 6: Final answer
x = 671,538.65
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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.