Finding the Fourth Proportional to 538,710.84, 743,426.12 and 297,002.28
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Solution
The fourth proportional to 538,710.84, 743,426.12 and 297,002.28 is: 409,865.99
Step by Step Solution
- Step 1: Write the proportion equation
538,710.84 : 743,426.12 = 297,002.28 : x - Step 2: Convert to fraction form
538,710.84/743,426.12 = 297,002.28/x - Step 3: Cross multiply
538,710.84x = 743,426.12 × 297,002.28 - Step 4: Simplify right side
538,710.84x = 220,799,252,651.55 - Step 5: Solve for x
x = 220,799,252,651.55/538,710.84 - Step 6: Final answer
x = 409,865.99
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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.