Finding the Fourth Proportional to 854,117.57, 1,178,636.00 and 472,119.75
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Solution
The fourth proportional to 854,117.57, 1,178,636.00 and 472,119.75 is: 651,499.69
Step by Step Solution
- Step 1: Write the proportion equation
854,117.57 : 1,178,636.00 = 472,119.75 : x - Step 2: Convert to fraction form
854,117.57/1,178,636.00 = 472,119.75/x - Step 3: Cross multiply
854,117.57x = 1,178,636.00 × 472,119.75 - Step 4: Simplify right side
854,117.57x = 556,457,331,300.40 - Step 5: Solve for x
x = 556,457,331,300.40/854,117.57 - Step 6: Final answer
x = 651,499.69
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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.