Finding the Fourth Proportional to 934,889.30, 1,290,249.74 and 542,508.69
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Solution
The fourth proportional to 934,889.30, 1,290,249.74 and 542,508.69 is: 748,721.48
Step by Step Solution
- Step 1: Write the proportion equation
934,889.30 : 1,290,249.74 = 542,508.69 : x - Step 2: Convert to fraction form
934,889.30/1,290,249.74 = 542,508.69/x - Step 3: Cross multiply
934,889.30x = 1,290,249.74 × 542,508.69 - Step 4: Simplify right side
934,889.30x = 699,971,696,220.24 - Step 5: Solve for x
x = 699,971,696,220.24/934,889.30 - Step 6: Final answer
x = 748,721.48
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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.