Finding the Fourth Proportional to 924,965.76, 1,387,416.96 and 392,143.68
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Solution
The fourth proportional to 924,965.76, 1,387,416.96 and 392,143.68 is: 588,202.09
Step by Step Solution
- Step 1: Write the proportion equation
924,965.76 : 1,387,416.96 = 392,143.68 : x - Step 2: Convert to fraction form
924,965.76/1,387,416.96 = 392,143.68/x - Step 3: Cross multiply
924,965.76x = 1,387,416.96 × 392,143.68 - Step 4: Simplify right side
924,965.76x = 544,066,792,388.81 - Step 5: Solve for x
x = 544,066,792,388.81/924,965.76 - Step 6: Final answer
x = 588,202.09
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.