Finding the Fourth Proportional to 1,163,208.16, 1,605,311.84 and 710,584.48
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Solution
The fourth proportional to 1,163,208.16, 1,605,311.84 and 710,584.48 is: 980,658.25
Step by Step Solution
- Step 1: Write the proportion equation
1,163,208.16 : 1,605,311.84 = 710,584.48 : x - Step 2: Convert to fraction form
1,163,208.16/1,605,311.84 = 710,584.48/x - Step 3: Cross multiply
1,163,208.16x = 1,605,311.84 × 710,584.48 - Step 4: Simplify right side
1,163,208.16x = 1,140,709,679,064.24 - Step 5: Solve for x
x = 1,140,709,679,064.24/1,163,208.16 - Step 6: Final answer
x = 980,658.25
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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.