Finding the Fourth Proportional to 817,435.62, 1,226,139.12 and 367,838.28
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Solution
The fourth proportional to 817,435.62, 1,226,139.12 and 367,838.28 is: 551,750.98
Step by Step Solution
- Step 1: Write the proportion equation
817,435.62 : 1,226,139.12 = 367,838.28 : x - Step 2: Convert to fraction form
817,435.62/1,226,139.12 = 367,838.28/x - Step 3: Cross multiply
817,435.62x = 1,226,139.12 × 367,838.28 - Step 4: Simplify right side
817,435.62x = 451,020,904,941.51 - Step 5: Solve for x
x = 451,020,904,941.51/817,435.62 - Step 6: Final answer
x = 551,750.98
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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.