Finding the Fourth Proportional to 479,325.64, 661,709.08 and 298,095.95
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Solution
The fourth proportional to 479,325.64, 661,709.08 and 298,095.95 is: 411,521.48
Step by Step Solution
- Step 1: Write the proportion equation
479,325.64 : 661,709.08 = 298,095.95 : x - Step 2: Convert to fraction form
479,325.64/661,709.08 = 298,095.95/x - Step 3: Cross multiply
479,325.64x = 661,709.08 × 298,095.95 - Step 4: Simplify right side
479,325.64x = 197,252,796,826.23 - Step 5: Solve for x
x = 197,252,796,826.23/479,325.64 - Step 6: Final answer
x = 411,521.48
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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.