Finding the Fourth Proportional to 781,120.55, 1,171,658.13 and 248,673.53
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Solution
The fourth proportional to 781,120.55, 1,171,658.13 and 248,673.53 is: 373,003.06
Step by Step Solution
- Step 1: Write the proportion equation
781,120.55 : 1,171,658.13 = 248,673.53 : x - Step 2: Convert to fraction form
781,120.55/1,171,658.13 = 248,673.53/x - Step 3: Cross multiply
781,120.55x = 1,171,658.13 × 248,673.53 - Step 4: Simplify right side
781,120.55x = 291,360,357,282.01 - Step 5: Solve for x
x = 291,360,357,282.01/781,120.55 - Step 6: Final answer
x = 373,003.06
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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.