Finding the Fourth Proportional to 668,800.72, 922,908.36 and 366,970.96
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Solution
The fourth proportional to 668,800.72, 922,908.36 and 366,970.96 is: 506,399.82
Step by Step Solution
- Step 1: Write the proportion equation
668,800.72 : 922,908.36 = 366,970.96 : x - Step 2: Convert to fraction form
668,800.72/922,908.36 = 366,970.96/x - Step 3: Cross multiply
668,800.72x = 922,908.36 × 366,970.96 - Step 4: Simplify right side
668,800.72x = 338,680,566,861.23 - Step 5: Solve for x
x = 338,680,566,861.23/668,800.72 - Step 6: Final answer
x = 506,399.82
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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.