Finding the Fourth Proportional to 569,310.69, 785,698.77 and 314,711.09
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Solution
The fourth proportional to 569,310.69, 785,698.77 and 314,711.09 is: 434,328.95
Step by Step Solution
- Step 1: Write the proportion equation
569,310.69 : 785,698.77 = 314,711.09 : x - Step 2: Convert to fraction form
569,310.69/785,698.77 = 314,711.09/x - Step 3: Cross multiply
569,310.69x = 785,698.77 × 314,711.09 - Step 4: Simplify right side
569,310.69x = 247,268,112,389.87 - Step 5: Solve for x
x = 247,268,112,389.87/569,310.69 - Step 6: Final answer
x = 434,328.95
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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.