Finding the Fourth Proportional to 730,838.70, 1,096,258.05 and 553,691.70
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Solution
The fourth proportional to 730,838.70, 1,096,258.05 and 553,691.70 is: 830,537.55
Step by Step Solution
- Step 1: Write the proportion equation
730,838.70 : 1,096,258.05 = 553,691.70 : x - Step 2: Convert to fraction form
730,838.70/1,096,258.05 = 553,691.70/x - Step 3: Cross multiply
730,838.70x = 1,096,258.05 × 553,691.70 - Step 4: Simplify right side
730,838.70x = 606,988,983,343.19 - Step 5: Solve for x
x = 606,988,983,343.19/730,838.70 - Step 6: Final answer
x = 830,537.55
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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.