Finding the Fourth Proportional to 564,564.94, 779,102.35 and 309,916.13
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Solution
The fourth proportional to 564,564.94, 779,102.35 and 309,916.13 is: 427,685.75
Step by Step Solution
- Step 1: Write the proportion equation
564,564.94 : 779,102.35 = 309,916.13 : x - Step 2: Convert to fraction form
564,564.94/779,102.35 = 309,916.13/x - Step 3: Cross multiply
564,564.94x = 779,102.35 × 309,916.13 - Step 4: Simplify right side
564,564.94x = 241,456,380,515.60 - Step 5: Solve for x
x = 241,456,380,515.60/564,564.94 - Step 6: Final answer
x = 427,685.75
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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.