Finding the Fourth Proportional to 817,862.40, 1,225,272.96 and 444,199.68
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Solution
The fourth proportional to 817,862.40, 1,225,272.96 and 444,199.68 is: 665,473.63
Step by Step Solution
- Step 1: Write the proportion equation
817,862.40 : 1,225,272.96 = 444,199.68 : x - Step 2: Convert to fraction form
817,862.40/1,225,272.96 = 444,199.68/x - Step 3: Cross multiply
817,862.40x = 1,225,272.96 × 444,199.68 - Step 4: Simplify right side
817,862.40x = 544,265,856,744.65 - Step 5: Solve for x
x = 544,265,856,744.65/817,862.40 - Step 6: Final answer
x = 665,473.63
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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.