Finding the Fourth Proportional to 668,740.80, 922,854.60 and 366,934.80
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Solution
The fourth proportional to 668,740.80, 922,854.60 and 366,934.80 is: 506,365.80
Step by Step Solution
- Step 1: Write the proportion equation
668,740.80 : 922,854.60 = 366,934.80 : x - Step 2: Convert to fraction form
668,740.80/922,854.60 = 366,934.80/x - Step 3: Cross multiply
668,740.80x = 922,854.60 × 366,934.80 - Step 4: Simplify right side
668,740.80x = 338,627,468,080.08 - Step 5: Solve for x
x = 338,627,468,080.08/668,740.80 - Step 6: Final answer
x = 506,365.80
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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.