Finding the Fourth Proportional to 569,312.75, 785,701.62 and 314,713.15
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Solution
The fourth proportional to 569,312.75, 785,701.62 and 314,713.15 is: 434,331.80
Step by Step Solution
- Step 1: Write the proportion equation
569,312.75 : 785,701.62 = 314,713.15 : x - Step 2: Convert to fraction form
569,312.75/785,701.62 = 314,713.15/x - Step 3: Cross multiply
569,312.75x = 785,701.62 × 314,713.15 - Step 4: Simplify right side
569,312.75x = 247,270,629,826.05 - Step 5: Solve for x
x = 247,270,629,826.05/569,312.75 - Step 6: Final answer
x = 434,331.80
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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.