Finding the Fourth Proportional to 498,569.96, 747,901.97 and 386,375.84
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Solution
The fourth proportional to 498,569.96, 747,901.97 and 386,375.84 is: 579,600.19
Step by Step Solution
- Step 1: Write the proportion equation
498,569.96 : 747,901.97 = 386,375.84 : x - Step 2: Convert to fraction form
498,569.96/747,901.97 = 386,375.84/x - Step 3: Cross multiply
498,569.96x = 747,901.97 × 386,375.84 - Step 4: Simplify right side
498,569.96x = 288,971,246,225.02 - Step 5: Solve for x
x = 288,971,246,225.02/498,569.96 - Step 6: Final answer
x = 579,600.19
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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.