Finding the Fourth Proportional to 785,363.97, 1,083,684.20 and 441,133.97
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Solution
The fourth proportional to 785,363.97, 1,083,684.20 and 441,133.97 is: 608,698.54
Step by Step Solution
- Step 1: Write the proportion equation
785,363.97 : 1,083,684.20 = 441,133.97 : x - Step 2: Convert to fraction form
785,363.97/1,083,684.20 = 441,133.97/x - Step 3: Cross multiply
785,363.97x = 1,083,684.20 × 441,133.97 - Step 4: Simplify right side
785,363.97x = 478,049,905,748.18 - Step 5: Solve for x
x = 478,049,905,748.18/785,363.97 - Step 6: Final answer
x = 608,698.54
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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.