Finding the Fourth Proportional to 717,812.80, 1,076,632.80 and 297,044.80
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Solution
The fourth proportional to 717,812.80, 1,076,632.80 and 297,044.80 is: 445,531.45
Step by Step Solution
- Step 1: Write the proportion equation
717,812.80 : 1,076,632.80 = 297,044.80 : x - Step 2: Convert to fraction form
717,812.80/1,076,632.80 = 297,044.80/x - Step 3: Cross multiply
717,812.80x = 1,076,632.80 × 297,044.80 - Step 4: Simplify right side
717,812.80x = 319,808,174,749.44 - Step 5: Solve for x
x = 319,808,174,749.44/717,812.80 - Step 6: Final answer
x = 445,531.45
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.