Finding the Fourth Proportional to 656,793.52, 906,374.58 and 354,987.52
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Solution
The fourth proportional to 656,793.52, 906,374.58 and 354,987.52 is: 489,882.52
Step by Step Solution
- Step 1: Write the proportion equation
656,793.52 : 906,374.58 = 354,987.52 : x - Step 2: Convert to fraction form
656,793.52/906,374.58 = 354,987.52/x - Step 3: Cross multiply
656,793.52x = 906,374.58 × 354,987.52 - Step 4: Simplify right side
656,793.52x = 321,751,664,345.24 - Step 5: Solve for x
x = 321,751,664,345.24/656,793.52 - Step 6: Final answer
x = 489,882.52
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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.