Finding the Fourth Proportional to 808,117.03, 1,212,181.62 and 358,717.08
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Solution
The fourth proportional to 808,117.03, 1,212,181.62 and 358,717.08 is: 538,078.32
Step by Step Solution
- Step 1: Write the proportion equation
808,117.03 : 1,212,181.62 = 358,717.08 : x - Step 2: Convert to fraction form
808,117.03/1,212,181.62 = 358,717.08/x - Step 3: Cross multiply
808,117.03x = 1,212,181.62 × 358,717.08 - Step 4: Simplify right side
808,117.03x = 434,830,256,374.35 - Step 5: Solve for x
x = 434,830,256,374.35/808,117.03 - Step 6: Final answer
x = 538,078.32
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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.