Finding the Fourth Proportional to 972,708.74, 1,342,620.36 and 564,902.90
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Solution
The fourth proportional to 972,708.74, 1,342,620.36 and 564,902.90 is: 779,729.95
Step by Step Solution
- Step 1: Write the proportion equation
972,708.74 : 1,342,620.36 = 564,902.90 : x - Step 2: Convert to fraction form
972,708.74/1,342,620.36 = 564,902.90/x - Step 3: Cross multiply
972,708.74x = 1,342,620.36 × 564,902.90 - Step 4: Simplify right side
972,708.74x = 758,450,134,963.04 - Step 5: Solve for x
x = 758,450,134,963.04/972,708.74 - Step 6: Final answer
x = 779,729.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.