Finding the Fourth Proportional to 547,454.70, 755,471.79 and 302,434.56
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Solution
The fourth proportional to 547,454.70, 755,471.79 and 302,434.56 is: 417,351.02
Step by Step Solution
- Step 1: Write the proportion equation
547,454.70 : 755,471.79 = 302,434.56 : x - Step 2: Convert to fraction form
547,454.70/755,471.79 = 302,434.56/x - Step 3: Cross multiply
547,454.70x = 755,471.79 × 302,434.56 - Step 4: Simplify right side
547,454.70x = 228,480,778,401.06 - Step 5: Solve for x
x = 228,480,778,401.06/547,454.70 - Step 6: Final answer
x = 417,351.02
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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.