Finding the Fourth Proportional to 674,407.08, 930,670.74 and 368,476.74
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Solution
The fourth proportional to 674,407.08, 930,670.74 and 368,476.74 is: 508,491.87
Step by Step Solution
- Step 1: Write the proportion equation
674,407.08 : 930,670.74 = 368,476.74 : x - Step 2: Convert to fraction form
674,407.08/930,670.74 = 368,476.74/x - Step 3: Cross multiply
674,407.08x = 930,670.74 × 368,476.74 - Step 4: Simplify right side
674,407.08x = 342,930,520,288.59 - Step 5: Solve for x
x = 342,930,520,288.59/674,407.08 - Step 6: Final answer
x = 508,491.87
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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.