Finding the Fourth Proportional to 598,918.60, 826,519.35 and 326,987.19
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Solution
The fourth proportional to 598,918.60, 826,519.35 and 326,987.19 is: 451,248.70
Step by Step Solution
- Step 1: Write the proportion equation
598,918.60 : 826,519.35 = 326,987.19 : x - Step 2: Convert to fraction form
598,918.60/826,519.35 = 326,987.19/x - Step 3: Cross multiply
598,918.60x = 826,519.35 × 326,987.19 - Step 4: Simplify right side
598,918.60x = 270,261,239,737.13 - Step 5: Solve for x
x = 270,261,239,737.13/598,918.60 - Step 6: Final answer
x = 451,248.70
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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.