Finding the Fourth Proportional to 399,006.68, 550,637.12 and 217,723.55
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Solution
The fourth proportional to 399,006.68, 550,637.12 and 217,723.55 is: 300,462.81
Step by Step Solution
- Step 1: Write the proportion equation
399,006.68 : 550,637.12 = 217,723.55 : x - Step 2: Convert to fraction form
399,006.68/550,637.12 = 217,723.55/x - Step 3: Cross multiply
399,006.68x = 550,637.12 × 217,723.55 - Step 4: Simplify right side
399,006.68x = 119,886,666,319.30 - Step 5: Solve for x
x = 119,886,666,319.30/399,006.68 - Step 6: Final answer
x = 300,462.81
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