Finding the Fourth Proportional to 808,649.08, 1,212,619.70 and 302,855.45
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Solution
The fourth proportional to 808,649.08, 1,212,619.70 and 302,855.45 is: 454,150.62
Step by Step Solution
- Step 1: Write the proportion equation
808,649.08 : 1,212,619.70 = 302,855.45 : x - Step 2: Convert to fraction form
808,649.08/1,212,619.70 = 302,855.45/x - Step 3: Cross multiply
808,649.08x = 1,212,619.70 × 302,855.45 - Step 4: Simplify right side
808,649.08x = 367,248,479,616.41 - Step 5: Solve for x
x = 367,248,479,616.41/808,649.08 - Step 6: Final answer
x = 454,150.62
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.