Finding the Fourth Proportional to 564,863.79, 779,529.98 and 310,214.98
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Solution
The fourth proportional to 564,863.79, 779,529.98 and 310,214.98 is: 428,106.53
Step by Step Solution
- Step 1: Write the proportion equation
564,863.79 : 779,529.98 = 310,214.98 : x - Step 2: Convert to fraction form
564,863.79/779,529.98 = 310,214.98/x - Step 3: Cross multiply
564,863.79x = 779,529.98 × 310,214.98 - Step 4: Simplify right side
564,863.79x = 241,821,878,905.05 - Step 5: Solve for x
x = 241,821,878,905.05/564,863.79 - Step 6: Final answer
x = 428,106.53
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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.