Finding the Fourth Proportional to 994,798.08, 1,372,823.10 and 542,089.08
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Solution
The fourth proportional to 994,798.08, 1,372,823.10 and 542,089.08 is: 748,083.88
Step by Step Solution
- Step 1: Write the proportion equation
994,798.08 : 1,372,823.10 = 542,089.08 : x - Step 2: Convert to fraction form
994,798.08/1,372,823.10 = 542,089.08/x - Step 3: Cross multiply
994,798.08x = 1,372,823.10 × 542,089.08 - Step 4: Simplify right side
994,798.08x = 744,192,411,281.75 - Step 5: Solve for x
x = 744,192,411,281.75/994,798.08 - Step 6: Final answer
x = 748,083.88
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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.