Finding the Fourth Proportional to 752,747.34, 1,038,795.12 and 430,471.02
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Solution
The fourth proportional to 752,747.34, 1,038,795.12 and 430,471.02 is: 594,052.18
Step by Step Solution
- Step 1: Write the proportion equation
752,747.34 : 1,038,795.12 = 430,471.02 : x - Step 2: Convert to fraction form
752,747.34/1,038,795.12 = 430,471.02/x - Step 3: Cross multiply
752,747.34x = 1,038,795.12 × 430,471.02 - Step 4: Simplify right side
752,747.34x = 447,171,194,877.42 - Step 5: Solve for x
x = 447,171,194,877.42/752,747.34 - Step 6: Final answer
x = 594,052.18
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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.