Finding the Fourth Proportional to 512,645.95, 702,313.29 and 493,478.65
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Solution
The fourth proportional to 512,645.95, 702,313.29 and 493,478.65 is: 676,054.53
Step by Step Solution
- Step 1: Write the proportion equation
512,645.95 : 702,313.29 = 493,478.65 : x - Step 2: Convert to fraction form
512,645.95/702,313.29 = 493,478.65/x - Step 3: Cross multiply
512,645.95x = 702,313.29 × 493,478.65 - Step 4: Simplify right side
512,645.95x = 346,576,614,226.26 - Step 5: Solve for x
x = 346,576,614,226.26/512,645.95 - Step 6: Final answer
x = 676,054.53
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.