Finding the Fourth Proportional to 668,730.24, 922,844.88 and 366,917.76
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Solution
The fourth proportional to 668,730.24, 922,844.88 and 366,917.76 is: 506,344.94
Step by Step Solution
- Step 1: Write the proportion equation
668,730.24 : 922,844.88 = 366,917.76 : x - Step 2: Convert to fraction form
668,730.24/922,844.88 = 366,917.76/x - Step 3: Cross multiply
668,730.24x = 922,844.88 × 366,917.76 - Step 4: Simplify right side
668,730.24x = 338,608,176,197.07 - Step 5: Solve for x
x = 338,608,176,197.07/668,730.24 - Step 6: Final answer
x = 506,344.94
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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.