Finding the Fourth Proportional to 906,407.62, 1,358,386.68 and 345,135.94
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Solution
The fourth proportional to 906,407.62, 1,358,386.68 and 345,135.94 is: 517,237.56
Step by Step Solution
- Step 1: Write the proportion equation
906,407.62 : 1,358,386.68 = 345,135.94 : x - Step 2: Convert to fraction form
906,407.62/1,358,386.68 = 345,135.94/x - Step 3: Cross multiply
906,407.62x = 1,358,386.68 × 345,135.94 - Step 4: Simplify right side
906,407.62x = 468,828,063,685.28 - Step 5: Solve for x
x = 468,828,063,685.28/906,407.62 - Step 6: Final answer
x = 517,237.56
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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.