Finding the Fourth Proportional to 609,352.91, 840,905.73 and 351,228.12
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Solution
The fourth proportional to 609,352.91, 840,905.73 and 351,228.12 is: 484,694.06
Step by Step Solution
- Step 1: Write the proportion equation
609,352.91 : 840,905.73 = 351,228.12 : x - Step 2: Convert to fraction form
609,352.91/840,905.73 = 351,228.12/x - Step 3: Cross multiply
609,352.91x = 840,905.73 × 351,228.12 - Step 4: Simplify right side
609,352.91x = 295,349,738,645.13 - Step 5: Solve for x
x = 295,349,738,645.13/609,352.91 - Step 6: Final answer
x = 484,694.06
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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.