Finding the Fourth Proportional to 538,801.68, 743,551.35 and 297,092.91
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Solution
The fourth proportional to 538,801.68, 743,551.35 and 297,092.91 is: 409,990.99
Step by Step Solution
- Step 1: Write the proportion equation
538,801.68 : 743,551.35 = 297,092.91 : x - Step 2: Convert to fraction form
538,801.68/743,551.35 = 297,092.91/x - Step 3: Cross multiply
538,801.68x = 743,551.35 × 297,092.91 - Step 4: Simplify right side
538,801.68x = 220,903,834,305.93 - Step 5: Solve for x
x = 220,903,834,305.93/538,801.68 - Step 6: Final answer
x = 409,990.99
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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.