Finding the Fourth Proportional to 969,691.41, 1,338,174.09 and 562,029.71
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Solution
The fourth proportional to 969,691.41, 1,338,174.09 and 562,029.71 is: 775,600.96
Step by Step Solution
- Step 1: Write the proportion equation
969,691.41 : 1,338,174.09 = 562,029.71 : x - Step 2: Convert to fraction form
969,691.41/1,338,174.09 = 562,029.71/x - Step 3: Cross multiply
969,691.41x = 1,338,174.09 × 562,029.71 - Step 4: Simplify right side
969,691.41x = 752,093,589,041.34 - Step 5: Solve for x
x = 752,093,589,041.34/969,691.41 - Step 6: Final answer
x = 775,600.96
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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.