Finding the Fourth Proportional to 717,798.80, 1,076,611.80 and 297,030.80
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Solution
The fourth proportional to 717,798.80, 1,076,611.80 and 297,030.80 is: 445,510.45
Step by Step Solution
- Step 1: Write the proportion equation
717,798.80 : 1,076,611.80 = 297,030.80 : x - Step 2: Convert to fraction form
717,798.80/1,076,611.80 = 297,030.80/x - Step 3: Cross multiply
717,798.80x = 1,076,611.80 × 297,030.80 - Step 4: Simplify right side
717,798.80x = 319,786,864,243.44 - Step 5: Solve for x
x = 319,786,864,243.44/717,798.80 - Step 6: Final answer
x = 445,510.45
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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.