Finding the Fourth Proportional to 832,405.92, 1,148,723.19 and 450,432.69
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Solution
The fourth proportional to 832,405.92, 1,148,723.19 and 450,432.69 is: 621,598.75
Step by Step Solution
- Step 1: Write the proportion equation
832,405.92 : 1,148,723.19 = 450,432.69 : x - Step 2: Convert to fraction form
832,405.92/1,148,723.19 = 450,432.69/x - Step 3: Cross multiply
832,405.92x = 1,148,723.19 × 450,432.69 - Step 4: Simplify right side
832,405.92x = 517,422,476,537.08 - Step 5: Solve for x
x = 517,422,476,537.08/832,405.92 - Step 6: Final answer
x = 621,598.75
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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.