Finding the Fourth Proportional to 509,481.36, 763,925.58 and 374,626.08
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Solution
The fourth proportional to 509,481.36, 763,925.58 and 374,626.08 is: 561,721.13
Step by Step Solution
- Step 1: Write the proportion equation
509,481.36 : 763,925.58 = 374,626.08 : x - Step 2: Convert to fraction form
509,481.36/763,925.58 = 374,626.08/x - Step 3: Cross multiply
509,481.36x = 763,925.58 × 374,626.08 - Step 4: Simplify right side
509,481.36x = 286,186,445,447.13 - Step 5: Solve for x
x = 286,186,445,447.13/509,481.36 - Step 6: Final answer
x = 561,721.13
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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.