Finding the Fourth Proportional to 889,215.47, 1,334,035.41 and 290,177.75
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Solution
The fourth proportional to 889,215.47, 1,334,035.41 and 290,177.75 is: 435,335.87
Step by Step Solution
- Step 1: Write the proportion equation
889,215.47 : 1,334,035.41 = 290,177.75 : x - Step 2: Convert to fraction form
889,215.47/1,334,035.41 = 290,177.75/x - Step 3: Cross multiply
889,215.47x = 1,334,035.41 × 290,177.75 - Step 4: Simplify right side
889,215.47x = 387,107,388,437.10 - Step 5: Solve for x
x = 387,107,388,437.10/889,215.47 - Step 6: Final answer
x = 435,335.87
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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.