Finding the Fourth Proportional to 719,143.74, 1,079,197.16 and 298,420.02
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Solution
The fourth proportional to 719,143.74, 1,079,197.16 and 298,420.02 is: 447,829.85
Step by Step Solution
- Step 1: Write the proportion equation
719,143.74 : 1,079,197.16 = 298,420.02 : x - Step 2: Convert to fraction form
719,143.74/1,079,197.16 = 298,420.02/x - Step 3: Cross multiply
719,143.74x = 1,079,197.16 × 298,420.02 - Step 4: Simplify right side
719,143.74x = 322,054,036,579.04 - Step 5: Solve for x
x = 322,054,036,579.04/719,143.74 - Step 6: Final answer
x = 447,829.85
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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.