Finding the Fourth Proportional to 703,806.17, 971,236.98 and 381,507.98
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Solution
The fourth proportional to 703,806.17, 971,236.98 and 381,507.98 is: 526,472.59
Step by Step Solution
- Step 1: Write the proportion equation
703,806.17 : 971,236.98 = 381,507.98 : x - Step 2: Convert to fraction form
703,806.17/971,236.98 = 381,507.98/x - Step 3: Cross multiply
703,806.17x = 971,236.98 × 381,507.98 - Step 4: Simplify right side
703,806.17x = 370,534,653,484.92 - Step 5: Solve for x
x = 370,534,653,484.92/703,806.17 - Step 6: Final answer
x = 526,472.59
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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.