Finding the Fourth Proportional to 752,908.08, 1,038,716.76 and 430,444.92
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Solution
The fourth proportional to 752,908.08, 1,038,716.76 and 430,444.92 is: 593,844.54
Step by Step Solution
- Step 1: Write the proportion equation
752,908.08 : 1,038,716.76 = 430,444.92 : x - Step 2: Convert to fraction form
752,908.08/1,038,716.76 = 430,444.92/x - Step 3: Cross multiply
752,908.08x = 1,038,716.76 × 430,444.92 - Step 4: Simplify right side
752,908.08x = 447,110,352,660.86 - Step 5: Solve for x
x = 447,110,352,660.86/752,908.08 - Step 6: Final answer
x = 593,844.54
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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.