Finding the Fourth Proportional to 505,017.24, 697,847.67 and 480,415.92
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Solution
The fourth proportional to 505,017.24, 697,847.67 and 480,415.92 is: 663,852.84
Step by Step Solution
- Step 1: Write the proportion equation
505,017.24 : 697,847.67 = 480,415.92 : x - Step 2: Convert to fraction form
505,017.24/697,847.67 = 480,415.92/x - Step 3: Cross multiply
505,017.24x = 697,847.67 × 480,415.92 - Step 4: Simplify right side
505,017.24x = 335,257,130,402.91 - Step 5: Solve for x
x = 335,257,130,402.91/505,017.24 - Step 6: Final answer
x = 663,852.84
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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.