Finding the Fourth Proportional to 626,940.97, 865,443.36 and 423,267.75
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Solution
The fourth proportional to 626,940.97, 865,443.36 and 423,267.75 is: 584,288.28
Step by Step Solution
- Step 1: Write the proportion equation
626,940.97 : 865,443.36 = 423,267.75 : x - Step 2: Convert to fraction form
626,940.97/865,443.36 = 423,267.75/x - Step 3: Cross multiply
626,940.97x = 865,443.36 × 423,267.75 - Step 4: Simplify right side
626,940.97x = 366,314,263,739.64 - Step 5: Solve for x
x = 366,314,263,739.64/626,940.97 - Step 6: Final answer
x = 584,288.28
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.