Finding the Fourth Proportional to 674,576.56, 930,918.08 and 368,653.08
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Solution
The fourth proportional to 674,576.56, 930,918.08 and 368,653.08 is: 508,742.58
Step by Step Solution
- Step 1: Write the proportion equation
674,576.56 : 930,918.08 = 368,653.08 : x - Step 2: Convert to fraction form
674,576.56/930,918.08 = 368,653.08/x - Step 3: Cross multiply
674,576.56x = 930,918.08 × 368,653.08 - Step 4: Simplify right side
674,576.56x = 343,185,818,341.32 - Step 5: Solve for x
x = 343,185,818,341.32/674,576.56 - Step 6: Final answer
x = 508,742.58
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1.5x scale
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.