Finding the Fourth Proportional to 913,821.05, 1,369,474.04 and 778,183.31
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Solution
The fourth proportional to 913,821.05, 1,369,474.04 and 778,183.31 is: 1,166,204.08
Step by Step Solution
- Step 1: Write the proportion equation
913,821.05 : 1,369,474.04 = 778,183.31 : x - Step 2: Convert to fraction form
913,821.05/1,369,474.04 = 778,183.31/x - Step 3: Cross multiply
913,821.05x = 1,369,474.04 × 778,183.31 - Step 4: Simplify right side
913,821.05x = 1,065,701,830,667.99 - Step 5: Solve for x
x = 1,065,701,830,667.99/913,821.05 - Step 6: Final answer
x = 1,166,204.08
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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.