Finding the Fourth Proportional to 747,359.56, 1,031,377.98 and 407,849.68
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Solution
The fourth proportional to 747,359.56, 1,031,377.98 and 407,849.68 is: 562,844.45
Step by Step Solution
- Step 1: Write the proportion equation
747,359.56 : 1,031,377.98 = 407,849.68 : x - Step 2: Convert to fraction form
747,359.56/1,031,377.98 = 407,849.68/x - Step 3: Cross multiply
747,359.56x = 1,031,377.98 × 407,849.68 - Step 4: Simplify right side
747,359.56x = 420,647,179,102.05 - Step 5: Solve for x
x = 420,647,179,102.05/747,359.56 - Step 6: Final answer
x = 562,844.45
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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.