Finding the Fourth Proportional to 785,812.55, 1,084,232.12 and 458,940.17
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Solution
The fourth proportional to 785,812.55, 1,084,232.12 and 458,940.17 is: 633,226.94
Step by Step Solution
- Step 1: Write the proportion equation
785,812.55 : 1,084,232.12 = 458,940.17 : x - Step 2: Convert to fraction form
785,812.55/1,084,232.12 = 458,940.17/x - Step 3: Cross multiply
785,812.55x = 1,084,232.12 × 458,940.17 - Step 4: Simplify right side
785,812.55x = 497,597,673,888.14 - Step 5: Solve for x
x = 497,597,673,888.14/785,812.55 - Step 6: Final answer
x = 633,226.94
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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.