Finding the Fourth Proportional to 830,474.27, 1,246,486.34 and 425,970.17
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Solution
The fourth proportional to 830,474.27, 1,246,486.34 and 425,970.17 is: 639,352.73
Step by Step Solution
- Step 1: Write the proportion equation
830,474.27 : 1,246,486.34 = 425,970.17 : x - Step 2: Convert to fraction form
830,474.27/1,246,486.34 = 425,970.17/x - Step 3: Cross multiply
830,474.27x = 1,246,486.34 × 425,970.17 - Step 4: Simplify right side
830,474.27x = 530,965,989,790.20 - Step 5: Solve for x
x = 530,965,989,790.20/830,474.27 - Step 6: Final answer
x = 639,352.73
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.