Finding the Fourth Proportional to 779,852.21, 1,076,203.46 and 457,567.79
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Solution
The fourth proportional to 779,852.21, 1,076,203.46 and 457,567.79 is: 631,447.90
Step by Step Solution
- Step 1: Write the proportion equation
779,852.21 : 1,076,203.46 = 457,567.79 : x - Step 2: Convert to fraction form
779,852.21/1,076,203.46 = 457,567.79/x - Step 3: Cross multiply
779,852.21x = 1,076,203.46 × 457,567.79 - Step 4: Simplify right side
779,852.21x = 492,436,034,545.46 - Step 5: Solve for x
x = 492,436,034,545.46/779,852.21 - Step 6: Final answer
x = 631,447.90
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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.