Finding the Fourth Proportional to 928,235.84, 1,392,354.86 and 254,322.88
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Solution
The fourth proportional to 928,235.84, 1,392,354.86 and 254,322.88 is: 381,484.62
Step by Step Solution
- Step 1: Write the proportion equation
928,235.84 : 1,392,354.86 = 254,322.88 : x - Step 2: Convert to fraction form
928,235.84/1,392,354.86 = 254,322.88/x - Step 3: Cross multiply
928,235.84x = 1,392,354.86 × 254,322.88 - Step 4: Simplify right side
928,235.84x = 354,107,697,977.20 - Step 5: Solve for x
x = 354,107,697,977.20/928,235.84 - Step 6: Final answer
x = 381,484.62
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.