Finding the Fourth Proportional to 913,537.14, 1,370,397.86 and 314,419.43
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Solution
The fourth proportional to 913,537.14, 1,370,397.86 and 314,419.43 is: 471,660.85
Step by Step Solution
- Step 1: Write the proportion equation
913,537.14 : 1,370,397.86 = 314,419.43 : x - Step 2: Convert to fraction form
913,537.14/1,370,397.86 = 314,419.43/x - Step 3: Cross multiply
913,537.14x = 1,370,397.86 × 314,419.43 - Step 4: Simplify right side
913,537.14x = 430,879,705,590.33 - Step 5: Solve for x
x = 430,879,705,590.33/913,537.14 - Step 6: Final answer
x = 471,660.85
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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.