Finding the Fourth Proportional to 651,649.70, 977,474.55 and 402,817.70
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Solution
The fourth proportional to 651,649.70, 977,474.55 and 402,817.70 is: 604,226.55
Step by Step Solution
- Step 1: Write the proportion equation
651,649.70 : 977,474.55 = 402,817.70 : x - Step 2: Convert to fraction form
651,649.70/977,474.55 = 402,817.70/x - Step 3: Cross multiply
651,649.70x = 977,474.55 × 402,817.70 - Step 4: Simplify right side
651,649.70x = 393,744,050,039.54 - Step 5: Solve for x
x = 393,744,050,039.54/651,649.70 - Step 6: Final answer
x = 604,226.55
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Similar ratio
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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.