Finding the Fourth Proportional to 659,828.70, 910,574.19 and 358,022.70
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Solution
The fourth proportional to 659,828.70, 910,574.19 and 358,022.70 is: 494,077.07
Step by Step Solution
- Step 1: Write the proportion equation
659,828.70 : 910,574.19 = 358,022.70 : x - Step 2: Convert to fraction form
659,828.70/910,574.19 = 358,022.70/x - Step 3: Cross multiply
659,828.70x = 910,574.19 × 358,022.70 - Step 4: Simplify right side
659,828.70x = 326,006,230,054.11 - Step 5: Solve for x
x = 326,006,230,054.11/659,828.70 - Step 6: Final answer
x = 494,077.07
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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.