Finding the Fourth Proportional to 602,927.99, 831,988.14 and 330,994.79
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Solution
The fourth proportional to 602,927.99, 831,988.14 and 330,994.79 is: 456,743.99
Step by Step Solution
- Step 1: Write the proportion equation
602,927.99 : 831,988.14 = 330,994.79 : x - Step 2: Convert to fraction form
602,927.99/831,988.14 = 330,994.79/x - Step 3: Cross multiply
602,927.99x = 831,988.14 × 330,994.79 - Step 4: Simplify right side
602,927.99x = 275,383,735,521.85 - Step 5: Solve for x
x = 275,383,735,521.85/602,927.99 - Step 6: Final answer
x = 456,743.99
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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.