Finding the Fourth Proportional to 861,798.06, 1,292,489.43 and 381,760.44
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Solution
The fourth proportional to 861,798.06, 1,292,489.43 and 381,760.44 is: 572,548.68
Step by Step Solution
- Step 1: Write the proportion equation
861,798.06 : 1,292,489.43 = 381,760.44 : x - Step 2: Convert to fraction form
861,798.06/1,292,489.43 = 381,760.44/x - Step 3: Cross multiply
861,798.06x = 1,292,489.43 × 381,760.44 - Step 4: Simplify right side
861,798.06x = 493,421,337,705.07 - Step 5: Solve for x
x = 493,421,337,705.07/861,798.06 - Step 6: Final answer
x = 572,548.68
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.