Finding the Fourth Proportional to 709,259.92, 1,062,970.68 and 288,046.48
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Solution
The fourth proportional to 709,259.92, 1,062,970.68 and 288,046.48 is: 431,696.41
Step by Step Solution
- Step 1: Write the proportion equation
709,259.92 : 1,062,970.68 = 288,046.48 : x - Step 2: Convert to fraction form
709,259.92/1,062,970.68 = 288,046.48/x - Step 3: Cross multiply
709,259.92x = 1,062,970.68 × 288,046.48 - Step 4: Simplify right side
709,259.92x = 306,184,962,717.21 - Step 5: Solve for x
x = 306,184,962,717.21/709,259.92 - Step 6: Final answer
x = 431,696.41
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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.