Finding the Fourth Proportional to 538,357.94, 806,312.79 and 417,446.00
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Solution
The fourth proportional to 538,357.94, 806,312.79 and 417,446.00 is: 625,219.81
Step by Step Solution
- Step 1: Write the proportion equation
538,357.94 : 806,312.79 = 417,446.00 : x - Step 2: Convert to fraction form
538,357.94/806,312.79 = 417,446.00/x - Step 3: Cross multiply
538,357.94x = 806,312.79 × 417,446.00 - Step 4: Simplify right side
538,357.94x = 336,592,044,902.78 - Step 5: Solve for x
x = 336,592,044,902.78/538,357.94 - Step 6: Final answer
x = 625,219.81
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.