Finding the Fourth Proportional to 602,276.48, 831,135.88 and 330,338.80
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Solution
The fourth proportional to 602,276.48, 831,135.88 and 330,338.80 is: 455,864.44
Step by Step Solution
- Step 1: Write the proportion equation
602,276.48 : 831,135.88 = 330,338.80 : x - Step 2: Convert to fraction form
602,276.48/831,135.88 = 330,338.80/x - Step 3: Cross multiply
602,276.48x = 831,135.88 × 330,338.80 - Step 4: Simplify right side
602,276.48x = 274,556,429,236.14 - Step 5: Solve for x
x = 274,556,429,236.14/602,276.48 - Step 6: Final answer
x = 455,864.44
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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.