Finding the Fourth Proportional to 817,977.42, 1,128,516.71 and 473,625.43
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Solution
The fourth proportional to 817,977.42, 1,128,516.71 and 473,625.43 is: 653,433.94
Step by Step Solution
- Step 1: Write the proportion equation
817,977.42 : 1,128,516.71 = 473,625.43 : x - Step 2: Convert to fraction form
817,977.42/1,128,516.71 = 473,625.43/x - Step 3: Cross multiply
817,977.42x = 1,128,516.71 × 473,625.43 - Step 4: Simplify right side
817,977.42x = 534,494,206,846.52 - Step 5: Solve for x
x = 534,494,206,846.52/817,977.42 - Step 6: Final answer
x = 653,433.94
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.