Finding the Fourth Proportional to 671,799.97, 926,003.44 and 453,940.63
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Solution
The fourth proportional to 671,799.97, 926,003.44 and 453,940.63 is: 625,707.95
Step by Step Solution
- Step 1: Write the proportion equation
671,799.97 : 926,003.44 = 453,940.63 : x - Step 2: Convert to fraction form
671,799.97/926,003.44 = 453,940.63/x - Step 3: Cross multiply
671,799.97x = 926,003.44 × 453,940.63 - Step 4: Simplify right side
671,799.97x = 420,350,584,935.77 - Step 5: Solve for x
x = 420,350,584,935.77/671,799.97 - Step 6: Final answer
x = 625,707.95
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1.5x scale
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.