Finding the Fourth Proportional to 602,266.48, 831,122.08 and 330,328.84
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Solution
The fourth proportional to 602,266.48, 831,122.08 and 330,328.84 is: 455,850.69
Step by Step Solution
- Step 1: Write the proportion equation
602,266.48 : 831,122.08 = 330,328.84 : x - Step 2: Convert to fraction form
602,266.48/831,122.08 = 330,328.84/x - Step 3: Cross multiply
602,266.48x = 831,122.08 × 330,328.84 - Step 4: Simplify right side
602,266.48x = 274,543,592,584.79 - Step 5: Solve for x
x = 274,543,592,584.79/602,266.48 - Step 6: Final answer
x = 455,850.69
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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.