Finding the Fourth Proportional to 830,730.74, 1,248,697.18 and 548,236.62
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Solution
The fourth proportional to 830,730.74, 1,248,697.18 and 548,236.62 is: 824,071.50
Step by Step Solution
- Step 1: Write the proportion equation
830,730.74 : 1,248,697.18 = 548,236.62 : x - Step 2: Convert to fraction form
830,730.74/1,248,697.18 = 548,236.62/x - Step 3: Cross multiply
830,730.74x = 1,248,697.18 × 548,236.62 - Step 4: Simplify right side
830,730.74x = 684,581,522,052.03 - Step 5: Solve for x
x = 684,581,522,052.03/830,730.74 - Step 6: Final answer
x = 824,071.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.