Finding the Fourth Proportional to 859,983.04, 1,186,790.84 and 472,814.84
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Solution
The fourth proportional to 859,983.04, 1,186,790.84 and 472,814.84 is: 652,492.31
Step by Step Solution
- Step 1: Write the proportion equation
859,983.04 : 1,186,790.84 = 472,814.84 : x - Step 2: Convert to fraction form
859,983.04/1,186,790.84 = 472,814.84/x - Step 3: Cross multiply
859,983.04x = 1,186,790.84 × 472,814.84 - Step 4: Simplify right side
859,983.04x = 561,132,321,128.07 - Step 5: Solve for x
x = 561,132,321,128.07/859,983.04 - Step 6: Final answer
x = 652,492.31
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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.