Finding the Fourth Proportional to 779,664.71, 1,167,394.37 and 509,122.68
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Solution
The fourth proportional to 779,664.71, 1,167,394.37 and 509,122.68 is: 762,310.96
Step by Step Solution
- Step 1: Write the proportion equation
779,664.71 : 1,167,394.37 = 509,122.68 : x - Step 2: Convert to fraction form
779,664.71/1,167,394.37 = 509,122.68/x - Step 3: Cross multiply
779,664.71x = 1,167,394.37 × 509,122.68 - Step 4: Simplify right side
779,664.71x = 594,346,947,725.70 - Step 5: Solve for x
x = 594,346,947,725.70/779,664.71 - Step 6: Final answer
x = 762,310.96
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.