Finding the Fourth Proportional to 638,536.80, 957,670.80 and 322,696.80
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Solution
The fourth proportional to 638,536.80, 957,670.80 and 322,696.80 is: 483,977.28
Step by Step Solution
- Step 1: Write the proportion equation
638,536.80 : 957,670.80 = 322,696.80 : x - Step 2: Convert to fraction form
638,536.80/957,670.80 = 322,696.80/x - Step 3: Cross multiply
638,536.80x = 957,670.80 × 322,696.80 - Step 4: Simplify right side
638,536.80x = 309,037,302,613.44 - Step 5: Solve for x
x = 309,037,302,613.44/638,536.80 - Step 6: Final answer
x = 483,977.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.