Finding the Fourth Proportional to 527,693.80, 728,181.48 and 336,686.08
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Solution
The fourth proportional to 527,693.80, 728,181.48 and 336,686.08 is: 464,603.84
Step by Step Solution
- Step 1: Write the proportion equation
527,693.80 : 728,181.48 = 336,686.08 : x - Step 2: Convert to fraction form
527,693.80/728,181.48 = 336,686.08/x - Step 3: Cross multiply
527,693.80x = 728,181.48 × 336,686.08 - Step 4: Simplify right side
527,693.80x = 245,168,568,029.80 - Step 5: Solve for x
x = 245,168,568,029.80/527,693.80 - Step 6: Final answer
x = 464,603.84
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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.