Finding the Fourth Proportional to 856,663.80, 1,283,861.70 and 456,442.80
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Solution
The fourth proportional to 856,663.80, 1,283,861.70 and 456,442.80 is: 684,059.99
Step by Step Solution
- Step 1: Write the proportion equation
856,663.80 : 1,283,861.70 = 456,442.80 : x - Step 2: Convert to fraction form
856,663.80/1,283,861.70 = 456,442.80/x - Step 3: Cross multiply
856,663.80x = 1,283,861.70 × 456,442.80 - Step 4: Simplify right side
856,663.80x = 586,009,429,160.76 - Step 5: Solve for x
x = 586,009,429,160.76/856,663.80 - Step 6: Final answer
x = 684,059.99
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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.