Finding the Fourth Proportional to 798,210.30, 1,101,540.42 and 471,534.06
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Solution
The fourth proportional to 798,210.30, 1,101,540.42 and 471,534.06 is: 650,723.03
Step by Step Solution
- Step 1: Write the proportion equation
798,210.30 : 1,101,540.42 = 471,534.06 : x - Step 2: Convert to fraction form
798,210.30/1,101,540.42 = 471,534.06/x - Step 3: Cross multiply
798,210.30x = 1,101,540.42 × 471,534.06 - Step 4: Simplify right side
798,210.30x = 519,413,826,496.71 - Step 5: Solve for x
x = 519,413,826,496.71/798,210.30 - Step 6: Final answer
x = 650,723.03
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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.