Finding the Fourth Proportional to 562,743.12, 776,554.84 and 308,045.08
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Solution
The fourth proportional to 562,743.12, 776,554.84 and 308,045.08 is: 425,085.42
Step by Step Solution
- Step 1: Write the proportion equation
562,743.12 : 776,554.84 = 308,045.08 : x - Step 2: Convert to fraction form
562,743.12/776,554.84 = 308,045.08/x - Step 3: Cross multiply
562,743.12x = 776,554.84 × 308,045.08 - Step 4: Simplify right side
562,743.12x = 239,213,897,812.19 - Step 5: Solve for x
x = 239,213,897,812.19/562,743.12 - Step 6: Final answer
x = 425,085.42
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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.