Finding the Fourth Proportional to 562,938.34, 776,856.09 and 304,818.10
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Solution
The fourth proportional to 562,938.34, 776,856.09 and 304,818.10 is: 420,649.62
Step by Step Solution
- Step 1: Write the proportion equation
562,938.34 : 776,856.09 = 304,818.10 : x - Step 2: Convert to fraction form
562,938.34/776,856.09 = 304,818.10/x - Step 3: Cross multiply
562,938.34x = 776,856.09 × 304,818.10 - Step 4: Simplify right side
562,938.34x = 236,799,797,327.23 - Step 5: Solve for x
x = 236,799,797,327.23/562,938.34 - Step 6: Final answer
x = 420,649.62
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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.