Finding the Fourth Proportional to 761,847.12, 1,051,456.12 and 471,551.79
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Solution
The fourth proportional to 761,847.12, 1,051,456.12 and 471,551.79 is: 650,807.76
Step by Step Solution
- Step 1: Write the proportion equation
761,847.12 : 1,051,456.12 = 471,551.79 : x - Step 2: Convert to fraction form
761,847.12/1,051,456.12 = 471,551.79/x - Step 3: Cross multiply
761,847.12x = 1,051,456.12 × 471,551.79 - Step 4: Simplify right side
761,847.12x = 495,816,015,492.46 - Step 5: Solve for x
x = 495,816,015,492.46/761,847.12 - Step 6: Final answer
x = 650,807.76
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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.