Finding the Fourth Proportional to 917,763.24, 1,266,973.74 and 573,790.26
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Solution
The fourth proportional to 917,763.24, 1,266,973.74 and 573,790.26 is: 792,118.45
Step by Step Solution
- Step 1: Write the proportion equation
917,763.24 : 1,266,973.74 = 573,790.26 : x - Step 2: Convert to fraction form
917,763.24/1,266,973.74 = 573,790.26/x - Step 3: Cross multiply
917,763.24x = 1,266,973.74 × 573,790.26 - Step 4: Simplify right side
917,763.24x = 726,977,191,687.77 - Step 5: Solve for x
x = 726,977,191,687.77/917,763.24 - Step 6: Final answer
x = 792,118.45
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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.