Finding the Fourth Proportional to 556,286.70, 834,430.05 and 497,237.70
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Solution
The fourth proportional to 556,286.70, 834,430.05 and 497,237.70 is: 745,856.55
Step by Step Solution
- Step 1: Write the proportion equation
556,286.70 : 834,430.05 = 497,237.70 : x - Step 2: Convert to fraction form
556,286.70/834,430.05 = 497,237.70/x - Step 3: Cross multiply
556,286.70x = 834,430.05 × 497,237.70 - Step 4: Simplify right side
556,286.70x = 414,910,078,872.89 - Step 5: Solve for x
x = 414,910,078,872.89/556,286.70 - Step 6: Final answer
x = 745,856.55
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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.