Finding the Fourth Proportional to 605,862.45, 908,793.68 and 416,905.65
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Solution
The fourth proportional to 605,862.45, 908,793.68 and 416,905.65 is: 625,358.48
Step by Step Solution
- Step 1: Write the proportion equation
605,862.45 : 908,793.68 = 416,905.65 : x - Step 2: Convert to fraction form
605,862.45/908,793.68 = 416,905.65/x - Step 3: Cross multiply
605,862.45x = 908,793.68 × 416,905.65 - Step 4: Simplify right side
605,862.45x = 378,881,217,791.76 - Step 5: Solve for x
x = 378,881,217,791.76/605,862.45 - Step 6: Final answer
x = 625,358.48
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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.