Finding the Fourth Proportional to 867,555.05, 1,195,603.17 and 625,424.99
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Solution
The fourth proportional to 867,555.05, 1,195,603.17 and 625,424.99 is: 861,916.60
Step by Step Solution
- Step 1: Write the proportion equation
867,555.05 : 1,195,603.17 = 625,424.99 : x - Step 2: Convert to fraction form
867,555.05/1,195,603.17 = 625,424.99/x - Step 3: Cross multiply
867,555.05x = 1,195,603.17 × 625,424.99 - Step 4: Simplify right side
867,555.05x = 747,760,100,641.22 - Step 5: Solve for x
x = 747,760,100,641.22/867,555.05 - Step 6: Final answer
x = 861,916.60
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1.5x scale
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.