Finding the Fourth Proportional to 697,528.21, 1,046,343.05 and 292,313.67
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Solution
The fourth proportional to 697,528.21, 1,046,343.05 and 292,313.67 is: 438,491.77
Step by Step Solution
- Step 1: Write the proportion equation
697,528.21 : 1,046,343.05 = 292,313.67 : x - Step 2: Convert to fraction form
697,528.21/1,046,343.05 = 292,313.67/x - Step 3: Cross multiply
697,528.21x = 1,046,343.05 × 292,313.67 - Step 4: Simplify right side
697,528.21x = 305,860,378,303.37 - Step 5: Solve for x
x = 305,860,378,303.37/697,528.21 - Step 6: Final answer
x = 438,491.77
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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.