Finding the Fourth Proportional to 879,444.71, 1,318,270.86 and 373,683.20
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Solution
The fourth proportional to 879,444.71, 1,318,270.86 and 373,683.20 is: 560,143.99
Step by Step Solution
- Step 1: Write the proportion equation
879,444.71 : 1,318,270.86 = 373,683.20 : x - Step 2: Convert to fraction form
879,444.71/1,318,270.86 = 373,683.20/x - Step 3: Cross multiply
879,444.71x = 1,318,270.86 × 373,683.20 - Step 4: Simplify right side
879,444.71x = 492,615,666,840.20 - Step 5: Solve for x
x = 492,615,666,840.20/879,444.71 - Step 6: Final answer
x = 560,143.99
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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.