Finding the Fourth Proportional to 989,183.46, 1,483,000.04 and 390,592.68
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Solution
The fourth proportional to 989,183.46, 1,483,000.04 and 390,592.68 is: 585,582.95
Step by Step Solution
- Step 1: Write the proportion equation
989,183.46 : 1,483,000.04 = 390,592.68 : x - Step 2: Convert to fraction form
989,183.46/1,483,000.04 = 390,592.68/x - Step 3: Cross multiply
989,183.46x = 1,483,000.04 × 390,592.68 - Step 4: Simplify right side
989,183.46x = 579,248,963,820.81 - Step 5: Solve for x
x = 579,248,963,820.81/989,183.46 - Step 6: Final answer
x = 585,582.95
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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.