Finding the Fourth Proportional to 602,194.85, 831,040.58 and 330,246.87
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Solution
The fourth proportional to 602,194.85, 831,040.58 and 330,246.87 is: 455,747.09
Step by Step Solution
- Step 1: Write the proportion equation
602,194.85 : 831,040.58 = 330,246.87 : x - Step 2: Convert to fraction form
602,194.85/831,040.58 = 330,246.87/x - Step 3: Cross multiply
602,194.85x = 831,040.58 × 330,246.87 - Step 4: Simplify right side
602,194.85x = 274,448,550,387.99 - Step 5: Solve for x
x = 274,448,550,387.99/602,194.85 - Step 6: Final answer
x = 455,747.09
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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.