Finding the Fourth Proportional to 970,128.64, 1,454,838.18 and 370,793.44
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Solution
The fourth proportional to 970,128.64, 1,454,838.18 and 370,793.44 is: 556,054.56
Step by Step Solution
- Step 1: Write the proportion equation
970,128.64 : 1,454,838.18 = 370,793.44 : x - Step 2: Convert to fraction form
970,128.64/1,454,838.18 = 370,793.44/x - Step 3: Cross multiply
970,128.64x = 1,454,838.18 × 370,793.44 - Step 4: Simplify right side
970,128.64x = 539,444,453,405.54 - Step 5: Solve for x
x = 539,444,453,405.54/970,128.64 - Step 6: Final answer
x = 556,054.56
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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.