Finding the Fourth Proportional to 668,842.84, 922,957.68 and 367,056.28
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Solution
The fourth proportional to 668,842.84, 922,957.68 and 367,056.28 is: 506,512.73
Step by Step Solution
- Step 1: Write the proportion equation
668,842.84 : 922,957.68 = 367,056.28 : x - Step 2: Convert to fraction form
668,842.84/922,957.68 = 367,056.28/x - Step 3: Cross multiply
668,842.84x = 922,957.68 × 367,056.28 - Step 4: Simplify right side
668,842.84x = 338,777,412,618.23 - Step 5: Solve for x
x = 338,777,412,618.23/668,842.84 - Step 6: Final answer
x = 506,512.73
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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.