Finding the Fourth Proportional to 826,863.30, 1,239,114.15 and 471,125.70
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Solution
The fourth proportional to 826,863.30, 1,239,114.15 and 471,125.70 is: 706,015.76
Step by Step Solution
- Step 1: Write the proportion equation
826,863.30 : 1,239,114.15 = 471,125.70 : x - Step 2: Convert to fraction form
826,863.30/1,239,114.15 = 471,125.70/x - Step 3: Cross multiply
826,863.30x = 1,239,114.15 × 471,125.70 - Step 4: Simplify right side
826,863.30x = 583,778,521,298.66 - Step 5: Solve for x
x = 583,778,521,298.66/826,863.30 - Step 6: Final answer
x = 706,015.76
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.