Finding the Fourth Proportional to 561,225.67, 774,508.43 and 306,593.26
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Solution
The fourth proportional to 561,225.67, 774,508.43 and 306,593.26 is: 423,107.99
Step by Step Solution
- Step 1: Write the proportion equation
561,225.67 : 774,508.43 = 306,593.26 : x - Step 2: Convert to fraction form
561,225.67/774,508.43 = 306,593.26/x - Step 3: Cross multiply
561,225.67x = 774,508.43 × 306,593.26 - Step 4: Simplify right side
561,225.67x = 237,459,063,281.39 - Step 5: Solve for x
x = 237,459,063,281.39/561,225.67 - Step 6: Final answer
x = 423,107.99
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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.