Finding the Fourth Proportional to 913,743.05, 1,370,706.38 and 314,624.93
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Solution
The fourth proportional to 913,743.05, 1,370,706.38 and 314,624.93 is: 471,969.00
Step by Step Solution
- Step 1: Write the proportion equation
913,743.05 : 1,370,706.38 = 314,624.93 : x - Step 2: Convert to fraction form
913,743.05/1,370,706.38 = 314,624.93/x - Step 3: Cross multiply
913,743.05x = 1,370,706.38 × 314,624.93 - Step 4: Simplify right side
913,743.05x = 431,258,390,431.40 - Step 5: Solve for x
x = 431,258,390,431.40/913,743.05 - Step 6: Final answer
x = 471,969.00
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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.