Finding the Fourth Proportional to 674,425.08, 930,695.58 and 368,494.74
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Solution
The fourth proportional to 674,425.08, 930,695.58 and 368,494.74 is: 508,516.71
Step by Step Solution
- Step 1: Write the proportion equation
674,425.08 : 930,695.58 = 368,494.74 : x - Step 2: Convert to fraction form
674,425.08/930,695.58 = 368,494.74/x - Step 3: Cross multiply
674,425.08x = 930,695.58 × 368,494.74 - Step 4: Simplify right side
674,425.08x = 342,956,425,771.25 - Step 5: Solve for x
x = 342,956,425,771.25/674,425.08 - Step 6: Final answer
x = 508,516.71
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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.