Finding the Fourth Proportional to 818,118.75, 1,129,055.15 and 450,595.81
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Solution
The fourth proportional to 818,118.75, 1,129,055.15 and 450,595.81 is: 621,850.46
Step by Step Solution
- Step 1: Write the proportion equation
818,118.75 : 1,129,055.15 = 450,595.81 : x - Step 2: Convert to fraction form
818,118.75/1,129,055.15 = 450,595.81/x - Step 3: Cross multiply
818,118.75x = 1,129,055.15 × 450,595.81 - Step 4: Simplify right side
818,118.75x = 508,747,522,386.73 - Step 5: Solve for x
x = 508,747,522,386.73/818,118.75 - Step 6: Final answer
x = 621,850.46
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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.