Finding the Fourth Proportional to 939,485.98, 1,409,462.25 and 274,637.98
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Solution
The fourth proportional to 939,485.98, 1,409,462.25 and 274,637.98 is: 412,025.16
Step by Step Solution
- Step 1: Write the proportion equation
939,485.98 : 1,409,462.25 = 274,637.98 : x - Step 2: Convert to fraction form
939,485.98/1,409,462.25 = 274,637.98/x - Step 3: Cross multiply
939,485.98x = 1,409,462.25 × 274,637.98 - Step 4: Simplify right side
939,485.98x = 387,091,865,226.26 - Step 5: Solve for x
x = 387,091,865,226.26/939,485.98 - Step 6: Final answer
x = 412,025.16
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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.