Finding the Fourth Proportional to 750,436.92, 1,035,592.65 and 410,905.14
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Solution
The fourth proportional to 750,436.92, 1,035,592.65 and 410,905.14 is: 567,043.45
Step by Step Solution
- Step 1: Write the proportion equation
750,436.92 : 1,035,592.65 = 410,905.14 : x - Step 2: Convert to fraction form
750,436.92/1,035,592.65 = 410,905.14/x - Step 3: Cross multiply
750,436.92x = 1,035,592.65 × 410,905.14 - Step 4: Simplify right side
750,436.92x = 425,530,342,831.22 - Step 5: Solve for x
x = 425,530,342,831.22/750,436.92 - Step 6: Final answer
x = 567,043.45
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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.