Finding the Fourth Proportional to 668,326.14, 922,204.83 and 381,864.78
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Solution
The fourth proportional to 668,326.14, 922,204.83 and 381,864.78 is: 526,924.69
Step by Step Solution
- Step 1: Write the proportion equation
668,326.14 : 922,204.83 = 381,864.78 : x - Step 2: Convert to fraction form
668,326.14/922,204.83 = 381,864.78/x - Step 3: Cross multiply
668,326.14x = 922,204.83 × 381,864.78 - Step 4: Simplify right side
668,326.14x = 352,157,544,522.89 - Step 5: Solve for x
x = 352,157,544,522.89/668,326.14 - Step 6: Final answer
x = 526,924.69
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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.