Finding the Fourth Proportional to 668,660.63, 922,767.86 and 366,854.63
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Solution
The fourth proportional to 668,660.63, 922,767.86 and 366,854.63 is: 506,268.27
Step by Step Solution
- Step 1: Write the proportion equation
668,660.63 : 922,767.86 = 366,854.63 : x - Step 2: Convert to fraction form
668,660.63/922,767.86 = 366,854.63/x - Step 3: Cross multiply
668,660.63x = 922,767.86 × 366,854.63 - Step 4: Simplify right side
668,660.63x = 338,521,658,159.49 - Step 5: Solve for x
x = 338,521,658,159.49/668,660.63 - Step 6: Final answer
x = 506,268.27
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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.