Finding the Fourth Proportional to 674,984.57, 931,479.21 and 369,056.07
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Solution
The fourth proportional to 674,984.57, 931,479.21 and 369,056.07 is: 509,297.65
Step by Step Solution
- Step 1: Write the proportion equation
674,984.57 : 931,479.21 = 369,056.07 : x - Step 2: Convert to fraction form
674,984.57/931,479.21 = 369,056.07/x - Step 3: Cross multiply
674,984.57x = 931,479.21 × 369,056.07 - Step 4: Simplify right side
674,984.57x = 343,768,056,529.31 - Step 5: Solve for x
x = 343,768,056,529.31/674,984.57 - Step 6: Final answer
x = 509,297.65
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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.