Finding the Fourth Proportional to 875,358.84, 1,313,628.36 and 306,745.05
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Solution
The fourth proportional to 875,358.84, 1,313,628.36 and 306,745.05 is: 460,324.36
Step by Step Solution
- Step 1: Write the proportion equation
875,358.84 : 1,313,628.36 = 306,745.05 : x - Step 2: Convert to fraction form
875,358.84/1,313,628.36 = 306,745.05/x - Step 3: Cross multiply
875,358.84x = 1,313,628.36 × 306,745.05 - Step 4: Simplify right side
875,358.84x = 402,948,996,943.00 - Step 5: Solve for x
x = 402,948,996,943.00/875,358.84 - Step 6: Final answer
x = 460,324.36
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.