Finding the Fourth Proportional to 1,072,824.55, 1,480,523.97 and 589,421.00
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Solution
The fourth proportional to 1,072,824.55, 1,480,523.97 and 589,421.00 is: 813,415.32
Step by Step Solution
- Step 1: Write the proportion equation
1,072,824.55 : 1,480,523.97 = 589,421.00 : x - Step 2: Convert to fraction form
1,072,824.55/1,480,523.97 = 589,421.00/x - Step 3: Cross multiply
1,072,824.55x = 1,480,523.97 × 589,421.00 - Step 4: Simplify right side
1,072,824.55x = 872,651,924,833.01 - Step 5: Solve for x
x = 872,651,924,833.01/1,072,824.55 - Step 6: Final answer
x = 813,415.32
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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.