Finding the Fourth Proportional to 651,425.40, 977,138.10 and 587,143.80
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Solution
The fourth proportional to 651,425.40, 977,138.10 and 587,143.80 is: 880,715.70
Step by Step Solution
- Step 1: Write the proportion equation
651,425.40 : 977,138.10 = 587,143.80 : x - Step 2: Convert to fraction form
651,425.40/977,138.10 = 587,143.80/x - Step 3: Cross multiply
651,425.40x = 977,138.10 × 587,143.80 - Step 4: Simplify right side
651,425.40x = 573,720,577,158.78 - Step 5: Solve for x
x = 573,720,577,158.78/651,425.40 - Step 6: Final answer
x = 880,715.70
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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.