Finding the Fourth Proportional to 539,597.10, 744,696.99 and 313,229.10
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Solution
The fourth proportional to 539,597.10, 744,696.99 and 313,229.10 is: 432,286.92
Step by Step Solution
- Step 1: Write the proportion equation
539,597.10 : 744,696.99 = 313,229.10 : x - Step 2: Convert to fraction form
539,597.10/744,696.99 = 313,229.10/x - Step 3: Cross multiply
539,597.10x = 744,696.99 × 313,229.10 - Step 4: Simplify right side
539,597.10x = 233,260,767,950.41 - Step 5: Solve for x
x = 233,260,767,950.41/539,597.10 - Step 6: Final answer
x = 432,286.92
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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.