Finding the Fourth Proportional to 668,313.06, 922,187.04 and 381,851.70
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Solution
The fourth proportional to 668,313.06, 922,187.04 and 381,851.70 is: 526,906.79
Step by Step Solution
- Step 1: Write the proportion equation
668,313.06 : 922,187.04 = 381,851.70 : x - Step 2: Convert to fraction form
668,313.06/922,187.04 = 381,851.70/x - Step 3: Cross multiply
668,313.06x = 922,187.04 × 381,851.70 - Step 4: Simplify right side
668,313.06x = 352,138,688,941.97 - Step 5: Solve for x
x = 352,138,688,941.97/668,313.06 - Step 6: Final answer
x = 526,906.79
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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.