Finding the Fourth Proportional to 590,803.84, 815,402.88 and 375,719.68
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Solution
The fourth proportional to 590,803.84, 815,402.88 and 375,719.68 is: 518,552.67
Step by Step Solution
- Step 1: Write the proportion equation
590,803.84 : 815,402.88 = 375,719.68 : x - Step 2: Convert to fraction form
590,803.84/815,402.88 = 375,719.68/x - Step 3: Cross multiply
590,803.84x = 815,402.88 × 375,719.68 - Step 4: Simplify right side
590,803.84x = 306,362,909,144.68 - Step 5: Solve for x
x = 306,362,909,144.68/590,803.84 - Step 6: Final answer
x = 518,552.67
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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.