Finding the Fourth Proportional to 563,722.74, 777,973.41 and 372,400.74
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Solution
The fourth proportional to 563,722.74, 777,973.41 and 372,400.74 is: 513,936.82
Step by Step Solution
- Step 1: Write the proportion equation
563,722.74 : 777,973.41 = 372,400.74 : x - Step 2: Convert to fraction form
563,722.74/777,973.41 = 372,400.74/x - Step 3: Cross multiply
563,722.74x = 777,973.41 × 372,400.74 - Step 4: Simplify right side
563,722.74x = 289,717,873,584.32 - Step 5: Solve for x
x = 289,717,873,584.32/563,722.74 - Step 6: Final answer
x = 513,936.82
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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.