Finding the Fourth Proportional to 906,826.92, 1,251,430.74 and 498,934.14
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Solution
The fourth proportional to 906,826.92, 1,251,430.74 and 498,934.14 is: 688,534.39
Step by Step Solution
- Step 1: Write the proportion equation
906,826.92 : 1,251,430.74 = 498,934.14 : x - Step 2: Convert to fraction form
906,826.92/1,251,430.74 = 498,934.14/x - Step 3: Cross multiply
906,826.92x = 1,251,430.74 × 498,934.14 - Step 4: Simplify right side
906,826.92x = 624,381,520,031.46 - Step 5: Solve for x
x = 624,381,520,031.46/906,826.92 - Step 6: Final answer
x = 688,534.39
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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.