Finding the Fourth Proportional to 602,614.47, 831,605.69 and 330,686.91
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Solution
The fourth proportional to 602,614.47, 831,605.69 and 330,686.91 is: 456,346.68
Step by Step Solution
- Step 1: Write the proportion equation
602,614.47 : 831,605.69 = 330,686.91 : x - Step 2: Convert to fraction form
602,614.47/831,605.69 = 330,686.91/x - Step 3: Cross multiply
602,614.47x = 831,605.69 × 330,686.91 - Step 4: Simplify right side
602,614.47x = 275,001,114,311.08 - Step 5: Solve for x
x = 275,001,114,311.08/602,614.47 - Step 6: Final answer
x = 456,346.68
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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.