Finding the Fourth Proportional to 569,478.84, 785,847.05 and 314,814.84
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Solution
The fourth proportional to 569,478.84, 785,847.05 and 314,814.84 is: 434,425.82
Step by Step Solution
- Step 1: Write the proportion equation
569,478.84 : 785,847.05 = 314,814.84 : x - Step 2: Convert to fraction form
569,478.84/785,847.05 = 314,814.84/x - Step 3: Cross multiply
569,478.84x = 785,847.05 × 314,814.84 - Step 4: Simplify right side
569,478.84x = 247,396,309,969.78 - Step 5: Solve for x
x = 247,396,309,969.78/569,478.84 - Step 6: Final answer
x = 434,425.82
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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.