Finding the Fourth Proportional to 826,562.97, 1,238,660.42 and 470,842.47
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Solution
The fourth proportional to 826,562.97, 1,238,660.42 and 470,842.47 is: 705,589.23
Step by Step Solution
- Step 1: Write the proportion equation
826,562.97 : 1,238,660.42 = 470,842.47 : x - Step 2: Convert to fraction form
826,562.97/1,238,660.42 = 470,842.47/x - Step 3: Cross multiply
826,562.97x = 1,238,660.42 × 470,842.47 - Step 4: Simplify right side
826,562.97x = 583,213,929,289.83 - Step 5: Solve for x
x = 583,213,929,289.83/826,562.97 - Step 6: Final answer
x = 705,589.23
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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.