Finding the Fourth Proportional to 520,944.84, 781,261.74 and 221,424.12
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Solution
The fourth proportional to 520,944.84, 781,261.74 and 221,424.12 is: 332,070.08
Step by Step Solution
- Step 1: Write the proportion equation
520,944.84 : 781,261.74 = 221,424.12 : x - Step 2: Convert to fraction form
520,944.84/781,261.74 = 221,424.12/x - Step 3: Cross multiply
520,944.84x = 781,261.74 × 221,424.12 - Step 4: Simplify right side
520,944.84x = 172,990,193,269.17 - Step 5: Solve for x
x = 172,990,193,269.17/520,944.84 - Step 6: Final answer
x = 332,070.08
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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.