Finding the Fourth Proportional to 602,112.27, 830,908.08 and 347,457.99
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Solution
The fourth proportional to 602,112.27, 830,908.08 and 347,457.99 is: 479,488.07
Step by Step Solution
- Step 1: Write the proportion equation
602,112.27 : 830,908.08 = 347,457.99 : x - Step 2: Convert to fraction form
602,112.27/830,908.08 = 347,457.99/x - Step 3: Cross multiply
602,112.27x = 830,908.08 × 347,457.99 - Step 4: Simplify right side
602,112.27x = 288,705,651,351.56 - Step 5: Solve for x
x = 288,705,651,351.56/602,112.27 - Step 6: Final answer
x = 479,488.07
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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.