Finding the Fourth Proportional to 626,941.97, 865,444.74 and 423,268.74
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Solution
The fourth proportional to 626,941.97, 865,444.74 and 423,268.74 is: 584,289.66
Step by Step Solution
- Step 1: Write the proportion equation
626,941.97 : 865,444.74 = 423,268.74 : x - Step 2: Convert to fraction form
626,941.97/865,444.74 = 423,268.74/x - Step 3: Cross multiply
626,941.97x = 865,444.74 × 423,268.74 - Step 4: Simplify right side
626,941.97x = 366,315,704,639.43 - Step 5: Solve for x
x = 366,315,704,639.43/626,941.97 - Step 6: Final answer
x = 584,289.66
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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.