Finding the Fourth Proportional to 930,118.80, 1,394,468.56 and 424,326.05
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Solution
The fourth proportional to 930,118.80, 1,394,468.56 and 424,326.05 is: 636,165.33
Step by Step Solution
- Step 1: Write the proportion equation
930,118.80 : 1,394,468.56 = 424,326.05 : x - Step 2: Convert to fraction form
930,118.80/1,394,468.56 = 424,326.05/x - Step 3: Cross multiply
930,118.80x = 1,394,468.56 × 424,326.05 - Step 4: Simplify right side
930,118.80x = 591,709,333,792.36 - Step 5: Solve for x
x = 591,709,333,792.36/930,118.80 - Step 6: Final answer
x = 636,165.33
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.