Finding the Fourth Proportional to 581,944.20, 803,451.97 and 398,489.77
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Solution
The fourth proportional to 581,944.20, 803,451.97 and 398,489.77 is: 550,168.53
Step by Step Solution
- Step 1: Write the proportion equation
581,944.20 : 803,451.97 = 398,489.77 : x - Step 2: Convert to fraction form
581,944.20/803,451.97 = 398,489.77/x - Step 3: Cross multiply
581,944.20x = 803,451.97 × 398,489.77 - Step 4: Simplify right side
581,944.20x = 320,167,386,714.09 - Step 5: Solve for x
x = 320,167,386,714.09/581,944.20 - Step 6: Final answer
x = 550,168.53
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.