Finding the Fourth Proportional to 564,815.23, 779,421.69 and 306,682.07
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Solution
The fourth proportional to 564,815.23, 779,421.69 and 306,682.07 is: 423,208.59
Step by Step Solution
- Step 1: Write the proportion equation
564,815.23 : 779,421.69 = 306,682.07 : x - Step 2: Convert to fraction form
564,815.23/779,421.69 = 306,682.07/x - Step 3: Cross multiply
564,815.23x = 779,421.69 × 306,682.07 - Step 4: Simplify right side
564,815.23x = 239,034,653,394.99 - Step 5: Solve for x
x = 239,034,653,394.99/564,815.23 - Step 6: Final answer
x = 423,208.59
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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.