Finding the Fourth Proportional to 498,569.21, 747,900.84 and 386,375.09
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Solution
The fourth proportional to 498,569.21, 747,900.84 and 386,375.09 is: 579,599.07
Step by Step Solution
- Step 1: Write the proportion equation
498,569.21 : 747,900.84 = 386,375.09 : x - Step 2: Convert to fraction form
498,569.21/747,900.84 = 386,375.09/x - Step 3: Cross multiply
498,569.21x = 747,900.84 × 386,375.09 - Step 4: Simplify right side
498,569.21x = 288,970,249,177.67 - Step 5: Solve for x
x = 288,970,249,177.67/498,569.21 - Step 6: Final answer
x = 579,599.07
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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.