Finding the Fourth Proportional to 913,319.56, 1,260,336.30 and 505,414.12
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Solution
The fourth proportional to 913,319.56, 1,260,336.30 and 505,414.12 is: 697,446.75
Step by Step Solution
- Step 1: Write the proportion equation
913,319.56 : 1,260,336.30 = 505,414.12 : x - Step 2: Convert to fraction form
913,319.56/1,260,336.30 = 505,414.12/x - Step 3: Cross multiply
913,319.56x = 1,260,336.30 × 505,414.12 - Step 4: Simplify right side
913,319.56x = 636,991,761,968.56 - Step 5: Solve for x
x = 636,991,761,968.56/913,319.56 - Step 6: Final answer
x = 697,446.75
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.