Finding the Fourth Proportional to 815,624.34, 1,223,448.84 and 283,162.29
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Solution
The fourth proportional to 815,624.34, 1,223,448.84 and 283,162.29 is: 424,747.72
Step by Step Solution
- Step 1: Write the proportion equation
815,624.34 : 1,223,448.84 = 283,162.29 : x - Step 2: Convert to fraction form
815,624.34/1,223,448.84 = 283,162.29/x - Step 3: Cross multiply
815,624.34x = 1,223,448.84 × 283,162.29 - Step 4: Simplify right side
815,624.34x = 346,434,575,232.24 - Step 5: Solve for x
x = 346,434,575,232.24/815,624.34 - Step 6: Final answer
x = 424,747.72
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.