Finding the Fourth Proportional to 602,601.74, 831,588.08 and 330,674.18
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Solution
The fourth proportional to 602,601.74, 831,588.08 and 330,674.18 is: 456,329.09
Step by Step Solution
- Step 1: Write the proportion equation
602,601.74 : 831,588.08 = 330,674.18 : x - Step 2: Convert to fraction form
602,601.74/831,588.08 = 330,674.18/x - Step 3: Cross multiply
602,601.74x = 831,588.08 × 330,674.18 - Step 4: Simplify right side
602,601.74x = 274,984,700,640.46 - Step 5: Solve for x
x = 274,984,700,640.46/602,601.74 - Step 6: Final answer
x = 456,329.09
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1.5x scale
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.