Finding the Fourth Proportional to 674,560.71, 930,894.12 and 372,754.71
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Solution
The fourth proportional to 674,560.71, 930,894.12 and 372,754.71 is: 514,401.69
Step by Step Solution
- Step 1: Write the proportion equation
674,560.71 : 930,894.12 = 372,754.71 : x - Step 2: Convert to fraction form
674,560.71/930,894.12 = 372,754.71/x - Step 3: Cross multiply
674,560.71x = 930,894.12 × 372,754.71 - Step 4: Simplify right side
674,560.71x = 346,995,167,741.31 - Step 5: Solve for x
x = 346,995,167,741.31/674,560.71 - Step 6: Final answer
x = 514,401.69
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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.