Finding the Fourth Proportional to 557,335.68, 769,023.36 and 331,036.80
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Solution
The fourth proportional to 557,335.68, 769,023.36 and 331,036.80 is: 456,771.46
Step by Step Solution
- Step 1: Write the proportion equation
557,335.68 : 769,023.36 = 331,036.80 : x - Step 2: Convert to fraction form
557,335.68/769,023.36 = 331,036.80/x - Step 3: Cross multiply
557,335.68x = 769,023.36 × 331,036.80 - Step 4: Simplify right side
557,335.68x = 254,575,032,219.65 - Step 5: Solve for x
x = 254,575,032,219.65/557,335.68 - Step 6: Final answer
x = 456,771.46
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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.