Finding the Fourth Proportional to 809,457.07, 1,117,052.18 and 446,881.52
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Solution
The fourth proportional to 809,457.07, 1,117,052.18 and 446,881.52 is: 616,697.28
Step by Step Solution
- Step 1: Write the proportion equation
809,457.07 : 1,117,052.18 = 446,881.52 : x - Step 2: Convert to fraction form
809,457.07/1,117,052.18 = 446,881.52/x - Step 3: Cross multiply
809,457.07x = 1,117,052.18 × 446,881.52 - Step 4: Simplify right side
809,457.07x = 499,189,973,883.31 - Step 5: Solve for x
x = 499,189,973,883.31/809,457.07 - Step 6: Final answer
x = 616,697.28
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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.