Finding the Fourth Proportional to 569,310.12, 785,688.66 and 314,655.80
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Solution
The fourth proportional to 569,310.12, 785,688.66 and 314,655.80 is: 434,247.50
Step by Step Solution
- Step 1: Write the proportion equation
569,310.12 : 785,688.66 = 314,655.80 : x - Step 2: Convert to fraction form
569,310.12/785,688.66 = 314,655.80/x - Step 3: Cross multiply
569,310.12x = 785,688.66 × 314,655.80 - Step 4: Simplify right side
569,310.12x = 247,221,493,863.23 - Step 5: Solve for x
x = 247,221,493,863.23/569,310.12 - Step 6: Final answer
x = 434,247.50
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1.5x scale
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.