Finding the Fourth Proportional to 564,474.72, 778,963.99 and 319,454.94
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Solution
The fourth proportional to 564,474.72, 778,963.99 and 319,454.94 is: 440,841.52
Step by Step Solution
- Step 1: Write the proportion equation
564,474.72 : 778,963.99 = 319,454.94 : x - Step 2: Convert to fraction form
564,474.72/778,963.99 = 319,454.94/x - Step 3: Cross multiply
564,474.72x = 778,963.99 × 319,454.94 - Step 4: Simplify right side
564,474.72x = 248,843,894,687.61 - Step 5: Solve for x
x = 248,843,894,687.61/564,474.72 - Step 6: Final answer
x = 440,841.52
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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.