Finding the Fourth Proportional to 830,892.24, 1,146,631.68 and 448,918.92
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Solution
The fourth proportional to 830,892.24, 1,146,631.68 and 448,918.92 is: 619,508.32
Step by Step Solution
- Step 1: Write the proportion equation
830,892.24 : 1,146,631.68 = 448,918.92 : x - Step 2: Convert to fraction form
830,892.24/1,146,631.68 = 448,918.92/x - Step 3: Cross multiply
830,892.24x = 1,146,631.68 × 448,918.92 - Step 4: Simplify right side
830,892.24x = 514,744,655,423.39 - Step 5: Solve for x
x = 514,744,655,423.39/830,892.24 - Step 6: Final answer
x = 619,508.32
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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.