Finding the Fourth Proportional to 563,459.24, 777,572.19 and 305,343.33
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Solution
The fourth proportional to 563,459.24, 777,572.19 and 305,343.33 is: 421,372.95
Step by Step Solution
- Step 1: Write the proportion equation
563,459.24 : 777,572.19 = 305,343.33 : x - Step 2: Convert to fraction form
563,459.24/777,572.19 = 305,343.33/x - Step 3: Cross multiply
563,459.24x = 777,572.19 × 305,343.33 - Step 4: Simplify right side
563,459.24x = 237,426,481,809.99 - Step 5: Solve for x
x = 237,426,481,809.99/563,459.24 - Step 6: Final answer
x = 421,372.95
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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.