Finding the Fourth Proportional to 808,119, 1,212,184.58 and 358,719.05
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Solution
The fourth proportional to 808,119, 1,212,184.58 and 358,719.05 is: 538,081.28
Step by Step Solution
- Step 1: Write the proportion equation
808,119 : 1,212,184.58 = 358,719.05 : x - Step 2: Convert to fraction form
808,119/1,212,184.58 = 358,719.05/x - Step 3: Cross multiply
808,119x = 1,212,184.58 × 358,719.05 - Step 4: Simplify right side
808,119x = 434,833,702,199.12 - Step 5: Solve for x
x = 434,833,702,199.12/808,119 - Step 6: Final answer
x = 538,081.28
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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.