Finding the Fourth Proportional to 817,487.06, 1,225,873.11 and 412,430.06
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Solution
The fourth proportional to 817,487.06, 1,225,873.11 and 412,430.06 is: 618,464.74
Step by Step Solution
- Step 1: Write the proportion equation
817,487.06 : 1,225,873.11 = 412,430.06 : x - Step 2: Convert to fraction form
817,487.06/1,225,873.11 = 412,430.06/x - Step 3: Cross multiply
817,487.06x = 1,225,873.11 × 412,430.06 - Step 4: Simplify right side
817,487.06x = 505,586,920,309.69 - Step 5: Solve for x
x = 505,586,920,309.69/817,487.06 - Step 6: Final answer
x = 618,464.74
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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.