Finding the Fourth Proportional to 984,465.18, 1,476,744.66 and 478,423.26
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Solution
The fourth proportional to 984,465.18, 1,476,744.66 and 478,423.26 is: 717,657.68
Step by Step Solution
- Step 1: Write the proportion equation
984,465.18 : 1,476,744.66 = 478,423.26 : x - Step 2: Convert to fraction form
984,465.18/1,476,744.66 = 478,423.26/x - Step 3: Cross multiply
984,465.18x = 1,476,744.66 × 478,423.26 - Step 4: Simplify right side
984,465.18x = 706,508,994,424.79 - Step 5: Solve for x
x = 706,508,994,424.79/984,465.18 - Step 6: Final answer
x = 717,657.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.