Finding the Fourth Proportional to 564,916.75, 779,395.44 and 319,868.08
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Solution
The fourth proportional to 564,916.75, 779,395.44 and 319,868.08 is: 441,310.55
Step by Step Solution
- Step 1: Write the proportion equation
564,916.75 : 779,395.44 = 319,868.08 : x - Step 2: Convert to fraction form
564,916.75/779,395.44 = 319,868.08/x - Step 3: Cross multiply
564,916.75x = 779,395.44 × 319,868.08 - Step 4: Simplify right side
564,916.75x = 249,303,722,953.56 - Step 5: Solve for x
x = 249,303,722,953.56/564,916.75 - Step 6: Final answer
x = 441,310.55
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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.