Finding the Fourth Proportional to 564,915.75, 779,394.06 and 319,867.08
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Solution
The fourth proportional to 564,915.75, 779,394.06 and 319,867.08 is: 441,309.17
Step by Step Solution
- Step 1: Write the proportion equation
564,915.75 : 779,394.06 = 319,867.08 : x - Step 2: Convert to fraction form
564,915.75/779,394.06 = 319,867.08/x - Step 3: Cross multiply
564,915.75x = 779,394.06 × 319,867.08 - Step 4: Simplify right side
564,915.75x = 249,302,502,141.55 - Step 5: Solve for x
x = 249,302,502,141.55/564,915.75 - Step 6: Final answer
x = 441,309.17
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.