Finding the Fourth Proportional to 1,025,975.97, 1,539,129.33 and 316,003.68
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Solution
The fourth proportional to 1,025,975.97, 1,539,129.33 and 316,003.68 is: 474,056.46
Step by Step Solution
- Step 1: Write the proportion equation
1,025,975.97 : 1,539,129.33 = 316,003.68 : x - Step 2: Convert to fraction form
1,025,975.97/1,539,129.33 = 316,003.68/x - Step 3: Cross multiply
1,025,975.97x = 1,539,129.33 × 316,003.68 - Step 4: Simplify right side
1,025,975.97x = 486,370,532,275.93 - Step 5: Solve for x
x = 486,370,532,275.93/1,025,975.97 - Step 6: Final answer
x = 474,056.46
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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.