Finding the Fourth Proportional to 747,129.69, 1,031,050.53 and 407,597.94
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Solution
The fourth proportional to 747,129.69, 1,031,050.53 and 407,597.94 is: 562,491.46
Step by Step Solution
- Step 1: Write the proportion equation
747,129.69 : 1,031,050.53 = 407,597.94 : x - Step 2: Convert to fraction form
747,129.69/1,031,050.53 = 407,597.94/x - Step 3: Cross multiply
747,129.69x = 1,031,050.53 × 407,597.94 - Step 4: Simplify right side
747,129.69x = 420,254,072,063.91 - Step 5: Solve for x
x = 420,254,072,063.91/747,129.69 - Step 6: Final answer
x = 562,491.46
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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.