Finding the Fourth Proportional to 810,894.36, 1,119,117.41 and 466,743.18
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Solution
The fourth proportional to 810,894.36, 1,119,117.41 and 466,743.18 is: 644,153.47
Step by Step Solution
- Step 1: Write the proportion equation
810,894.36 : 1,119,117.41 = 466,743.18 : x - Step 2: Convert to fraction form
810,894.36/1,119,117.41 = 466,743.18/x - Step 3: Cross multiply
810,894.36x = 1,119,117.41 × 466,743.18 - Step 4: Simplify right side
810,894.36x = 522,340,416,403.05 - Step 5: Solve for x
x = 522,340,416,403.05/810,894.36 - Step 6: Final answer
x = 644,153.47
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.