Finding the Fourth Proportional to 847,783.08, 1,169,939.70 and 465,808.92
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Solution
The fourth proportional to 847,783.08, 1,169,939.70 and 465,808.92 is: 642,815.79
Step by Step Solution
- Step 1: Write the proportion equation
847,783.08 : 1,169,939.70 = 465,808.92 : x - Step 2: Convert to fraction form
847,783.08/1,169,939.70 = 465,808.92/x - Step 3: Cross multiply
847,783.08x = 1,169,939.70 × 465,808.92 - Step 4: Simplify right side
847,783.08x = 544,968,348,122.12 - Step 5: Solve for x
x = 544,968,348,122.12/847,783.08 - Step 6: Final answer
x = 642,815.79
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.