Finding the Fourth Proportional to 800,153.17, 1,104,312.48 and 524,742.75
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Solution
The fourth proportional to 800,153.17, 1,104,312.48 and 524,742.75 is: 724,211.31
Step by Step Solution
- Step 1: Write the proportion equation
800,153.17 : 1,104,312.48 = 524,742.75 : x - Step 2: Convert to fraction form
800,153.17/1,104,312.48 = 524,742.75/x - Step 3: Cross multiply
800,153.17x = 1,104,312.48 × 524,742.75 - Step 4: Simplify right side
800,153.17x = 579,479,969,063.44 - Step 5: Solve for x
x = 579,479,969,063.44/800,153.17 - Step 6: Final answer
x = 724,211.31
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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.