Finding the Fourth Proportional to 803,569.16, 1,107,955.58 and 694,476.14
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Solution
The fourth proportional to 803,569.16, 1,107,955.58 and 694,476.14 is: 957,538.88
Step by Step Solution
- Step 1: Write the proportion equation
803,569.16 : 1,107,955.58 = 694,476.14 : x - Step 2: Convert to fraction form
803,569.16/1,107,955.58 = 694,476.14/x - Step 3: Cross multiply
803,569.16x = 1,107,955.58 × 694,476.14 - Step 4: Simplify right side
803,569.16x = 769,448,705,477.70 - Step 5: Solve for x
x = 769,448,705,477.70/803,569.16 - Step 6: Final answer
x = 957,538.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.