Finding the Fourth Proportional to 609,790.88, 841,803.93 and 428,658.08
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Solution
The fourth proportional to 609,790.88, 841,803.93 and 428,658.08 is: 591,753.77
Step by Step Solution
- Step 1: Write the proportion equation
609,790.88 : 841,803.93 = 428,658.08 : x - Step 2: Convert to fraction form
609,790.88/841,803.93 = 428,658.08/x - Step 3: Cross multiply
609,790.88x = 841,803.93 × 428,658.08 - Step 4: Simplify right side
609,790.88x = 360,846,052,161.24 - Step 5: Solve for x
x = 360,846,052,161.24/609,790.88 - Step 6: Final answer
x = 591,753.77
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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.