Finding the Fourth Proportional to 442,113.06, 610,394.76 and 313,324.68
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Solution
The fourth proportional to 442,113.06, 610,394.76 and 313,324.68 is: 432,585.60
Step by Step Solution
- Step 1: Write the proportion equation
442,113.06 : 610,394.76 = 313,324.68 : x - Step 2: Convert to fraction form
442,113.06/610,394.76 = 313,324.68/x - Step 3: Cross multiply
442,113.06x = 610,394.76 × 313,324.68 - Step 4: Simplify right side
442,113.06x = 191,251,742,850.68 - Step 5: Solve for x
x = 191,251,742,850.68/442,113.06 - Step 6: Final answer
x = 432,585.60
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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.