Finding the Fourth Proportional to 802,140.16, 1,106,953.60 and 479,863.68
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Solution
The fourth proportional to 802,140.16, 1,106,953.60 and 479,863.68 is: 662,211.99
Step by Step Solution
- Step 1: Write the proportion equation
802,140.16 : 1,106,953.60 = 479,863.68 : x - Step 2: Convert to fraction form
802,140.16/1,106,953.60 = 479,863.68/x - Step 3: Cross multiply
802,140.16x = 1,106,953.60 × 479,863.68 - Step 4: Simplify right side
802,140.16x = 531,186,828,085.25 - Step 5: Solve for x
x = 531,186,828,085.25/802,140.16 - Step 6: Final answer
x = 662,211.99
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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.