Finding the Fourth Proportional to 808,726.96, 1,212,882.74 and 239,973.54
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Solution
The fourth proportional to 808,726.96, 1,212,882.74 and 239,973.54 is: 359,898.68
Step by Step Solution
- Step 1: Write the proportion equation
808,726.96 : 1,212,882.74 = 239,973.54 : x - Step 2: Convert to fraction form
808,726.96/1,212,882.74 = 239,973.54/x - Step 3: Cross multiply
808,726.96x = 1,212,882.74 × 239,973.54 - Step 4: Simplify right side
808,726.96x = 291,059,764,722.70 - Step 5: Solve for x
x = 291,059,764,722.70/808,726.96 - Step 6: Final answer
x = 359,898.68
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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.