Finding the Fourth Proportional to 736,423.74, 1,015,635.27 and 507,346.62
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Solution
The fourth proportional to 736,423.74, 1,015,635.27 and 507,346.62 is: 699,704.66
Step by Step Solution
- Step 1: Write the proportion equation
736,423.74 : 1,015,635.27 = 507,346.62 : x - Step 2: Convert to fraction form
736,423.74/1,015,635.27 = 507,346.62/x - Step 3: Cross multiply
736,423.74x = 1,015,635.27 × 507,346.62 - Step 4: Simplify right side
736,423.74x = 515,279,121,387.29 - Step 5: Solve for x
x = 515,279,121,387.29/736,423.74 - Step 6: Final answer
x = 699,704.66
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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.