Finding the Fourth Proportional to 753,134.34, 1,039,325.40 and 413,602.62
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Solution
The fourth proportional to 753,134.34, 1,039,325.40 and 413,602.62 is: 570,771.62
Step by Step Solution
- Step 1: Write the proportion equation
753,134.34 : 1,039,325.40 = 413,602.62 : x - Step 2: Convert to fraction form
753,134.34/1,039,325.40 = 413,602.62/x - Step 3: Cross multiply
753,134.34x = 1,039,325.40 × 413,602.62 - Step 4: Simplify right side
753,134.34x = 429,867,708,472.55 - Step 5: Solve for x
x = 429,867,708,472.55/753,134.34 - Step 6: Final answer
x = 570,771.62
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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.