Finding the Fourth Proportional to 981,726.21, 1,472,224.73 and 341,865.68
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Solution
The fourth proportional to 981,726.21, 1,472,224.73 and 341,865.68 is: 512,671.55
Step by Step Solution
- Step 1: Write the proportion equation
981,726.21 : 1,472,224.73 = 341,865.68 : x - Step 2: Convert to fraction form
981,726.21/1,472,224.73 = 341,865.68/x - Step 3: Cross multiply
981,726.21x = 1,472,224.73 × 341,865.68 - Step 4: Simplify right side
981,726.21x = 503,303,099,363.81 - Step 5: Solve for x
x = 503,303,099,363.81/981,726.21 - Step 6: Final answer
x = 512,671.55
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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.