Finding the Fourth Proportional to 834,135.87, 1,151,095.32 and 471,547.68
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Solution
The fourth proportional to 834,135.87, 1,151,095.32 and 471,547.68 is: 650,728.91
Step by Step Solution
- Step 1: Write the proportion equation
834,135.87 : 1,151,095.32 = 471,547.68 : x - Step 2: Convert to fraction form
834,135.87/1,151,095.32 = 471,547.68/x - Step 3: Cross multiply
834,135.87x = 1,151,095.32 × 471,547.68 - Step 4: Simplify right side
834,135.87x = 542,796,321,849.38 - Step 5: Solve for x
x = 542,796,321,849.38/834,135.87 - Step 6: Final answer
x = 650,728.91
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1.5x scale
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.