Finding the Fourth Proportional to 1,013,816.68, 1,399,378.62 and 584,383.84
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Solution
The fourth proportional to 1,013,816.68, 1,399,378.62 and 584,383.84 is: 806,629.31
Step by Step Solution
- Step 1: Write the proportion equation
1,013,816.68 : 1,399,378.62 = 584,383.84 : x - Step 2: Convert to fraction form
1,013,816.68/1,399,378.62 = 584,383.84/x - Step 3: Cross multiply
1,013,816.68x = 1,399,378.62 × 584,383.84 - Step 4: Simplify right side
1,013,816.68x = 817,774,251,569.50 - Step 5: Solve for x
x = 817,774,251,569.50/1,013,816.68 - Step 6: Final answer
x = 806,629.31
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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.