Finding the Fourth Proportional to 826,852.80, 1,239,098.40 and 471,115.20
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Solution
The fourth proportional to 826,852.80, 1,239,098.40 and 471,115.20 is: 706,000.02
Step by Step Solution
- Step 1: Write the proportion equation
826,852.80 : 1,239,098.40 = 471,115.20 : x - Step 2: Convert to fraction form
826,852.80/1,239,098.40 = 471,115.20/x - Step 3: Cross multiply
826,852.80x = 1,239,098.40 × 471,115.20 - Step 4: Simplify right side
826,852.80x = 583,758,090,535.68 - Step 5: Solve for x
x = 583,758,090,535.68/826,852.80 - Step 6: Final answer
x = 706,000.02
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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.