Finding the Fourth Proportional to 646,725.70, 970,525.95 and 362,415.70
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Solution
The fourth proportional to 646,725.70, 970,525.95 and 362,415.70 is: 543,868.66
Step by Step Solution
- Step 1: Write the proportion equation
646,725.70 : 970,525.95 = 362,415.70 : x - Step 2: Convert to fraction form
646,725.70/970,525.95 = 362,415.70/x - Step 3: Cross multiply
646,725.70x = 970,525.95 × 362,415.70 - Step 4: Simplify right side
646,725.70x = 351,733,841,537.42 - Step 5: Solve for x
x = 351,733,841,537.42/646,725.70 - Step 6: Final answer
x = 543,868.66
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1.5x scale
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.