Finding the Fourth Proportional to 563,402.65, 777,496.33 and 305,279.41
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Solution
The fourth proportional to 563,402.65, 777,496.33 and 305,279.41 is: 421,285.95
Step by Step Solution
- Step 1: Write the proportion equation
563,402.65 : 777,496.33 = 305,279.41 : x - Step 2: Convert to fraction form
563,402.65/777,496.33 = 305,279.41/x - Step 3: Cross multiply
563,402.65x = 777,496.33 × 305,279.41 - Step 4: Simplify right side
563,402.65x = 237,353,617,012.08 - Step 5: Solve for x
x = 237,353,617,012.08/563,402.65 - Step 6: Final answer
x = 421,285.95
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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.