Finding the Fourth Proportional to 602,189.79, 830,962.04 and 347,622.99
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Solution
The fourth proportional to 602,189.79, 830,962.04 and 347,622.99 is: 479,685.16
Step by Step Solution
- Step 1: Write the proportion equation
602,189.79 : 830,962.04 = 347,622.99 : x - Step 2: Convert to fraction form
602,189.79/830,962.04 = 347,622.99/x - Step 3: Cross multiply
602,189.79x = 830,962.04 × 347,622.99 - Step 4: Simplify right side
602,189.79x = 288,861,507,183.19 - Step 5: Solve for x
x = 288,861,507,183.19/602,189.79 - Step 6: Final answer
x = 479,685.16
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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.