Finding the Fourth Proportional to 818,121.44, 1,129,058.86 and 450,598.50
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Solution
The fourth proportional to 818,121.44, 1,129,058.86 and 450,598.50 is: 621,854.17
Step by Step Solution
- Step 1: Write the proportion equation
818,121.44 : 1,129,058.86 = 450,598.50 : x - Step 2: Convert to fraction form
818,121.44/1,129,058.86 = 450,598.50/x - Step 3: Cross multiply
818,121.44x = 1,129,058.86 × 450,598.50 - Step 4: Simplify right side
818,121.44x = 508,752,229,854.21 - Step 5: Solve for x
x = 508,752,229,854.21/818,121.44 - Step 6: Final answer
x = 621,854.17
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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.