Finding the Fourth Proportional to 815,187.84, 1,222,388.36 and 341,746.08
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Solution
The fourth proportional to 815,187.84, 1,222,388.36 and 341,746.08 is: 512,454.20
Step by Step Solution
- Step 1: Write the proportion equation
815,187.84 : 1,222,388.36 = 341,746.08 : x - Step 2: Convert to fraction form
815,187.84/1,222,388.36 = 341,746.08/x - Step 3: Cross multiply
815,187.84x = 1,222,388.36 × 341,746.08 - Step 4: Simplify right side
815,187.84x = 417,746,430,267.63 - Step 5: Solve for x
x = 417,746,430,267.63/815,187.84 - Step 6: Final answer
x = 512,454.20
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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.