Finding the Fourth Proportional to 994,763.84, 1,372,725.12 and 564,987.52
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Solution
The fourth proportional to 994,763.84, 1,372,725.12 and 564,987.52 is: 779,654.96
Step by Step Solution
- Step 1: Write the proportion equation
994,763.84 : 1,372,725.12 = 564,987.52 : x - Step 2: Convert to fraction form
994,763.84/1,372,725.12 = 564,987.52/x - Step 3: Cross multiply
994,763.84x = 1,372,725.12 × 564,987.52 - Step 4: Simplify right side
994,763.84x = 775,572,561,190.50 - Step 5: Solve for x
x = 775,572,561,190.50/994,763.84 - Step 6: Final answer
x = 779,654.96
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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.