Finding the Fourth Proportional to 602,190.79, 830,963.41 and 347,623.99
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Solution
The fourth proportional to 602,190.79, 830,963.41 and 347,623.99 is: 479,686.54
Step by Step Solution
- Step 1: Write the proportion equation
602,190.79 : 830,963.41 = 347,623.99 : x - Step 2: Convert to fraction form
602,190.79/830,963.41 = 347,623.99/x - Step 3: Cross multiply
602,190.79x = 830,963.41 × 347,623.99 - Step 4: Simplify right side
602,190.79x = 288,862,816,128.21 - Step 5: Solve for x
x = 288,862,816,128.21/602,190.79 - Step 6: Final answer
x = 479,686.54
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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.