Finding the Fourth Proportional to 870,684.06, 1,201,574.06 and 483,505.96
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Solution
The fourth proportional to 870,684.06, 1,201,574.06 and 483,505.96 is: 667,254.92
Step by Step Solution
- Step 1: Write the proportion equation
870,684.06 : 1,201,574.06 = 483,505.96 : x - Step 2: Convert to fraction form
870,684.06/1,201,574.06 = 483,505.96/x - Step 3: Cross multiply
870,684.06x = 1,201,574.06 × 483,505.96 - Step 4: Simplify right side
870,684.06x = 580,968,219,391.40 - Step 5: Solve for x
x = 580,968,219,391.40/870,684.06 - Step 6: Final answer
x = 667,254.92
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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.