Finding the Fourth Proportional to 507,211.30, 700,680.68 and 405,102.70
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Solution
The fourth proportional to 507,211.30, 700,680.68 and 405,102.70 is: 559,624.03
Step by Step Solution
- Step 1: Write the proportion equation
507,211.30 : 700,680.68 = 405,102.70 : x - Step 2: Convert to fraction form
507,211.30/700,680.68 = 405,102.70/x - Step 3: Cross multiply
507,211.30x = 700,680.68 × 405,102.70 - Step 4: Simplify right side
507,211.30x = 283,847,633,280.32 - Step 5: Solve for x
x = 283,847,633,280.32/507,211.30 - Step 6: Final answer
x = 559,624.03
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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.