Finding the Fourth Proportional to 896,523.49, 1,343,937.93 and 357,112.80
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Solution
The fourth proportional to 896,523.49, 1,343,937.93 and 357,112.80 is: 535,331.69
Step by Step Solution
- Step 1: Write the proportion equation
896,523.49 : 1,343,937.93 = 357,112.80 : x - Step 2: Convert to fraction form
896,523.49/1,343,937.93 = 357,112.80/x - Step 3: Cross multiply
896,523.49x = 1,343,937.93 × 357,112.80 - Step 4: Simplify right side
896,523.49x = 479,937,435,869.33 - Step 5: Solve for x
x = 479,937,435,869.33/896,523.49 - Step 6: Final answer
x = 535,331.69
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.