Finding the Fourth Proportional to 742,563.74, 1,024,738.98 and 403,032.02
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Solution
The fourth proportional to 742,563.74, 1,024,738.98 and 403,032.02 is: 556,184.74
Step by Step Solution
- Step 1: Write the proportion equation
742,563.74 : 1,024,738.98 = 403,032.02 : x - Step 2: Convert to fraction form
742,563.74/1,024,738.98 = 403,032.02/x - Step 3: Cross multiply
742,563.74x = 1,024,738.98 × 403,032.02 - Step 4: Simplify right side
742,563.74x = 413,002,621,082.14 - Step 5: Solve for x
x = 413,002,621,082.14/742,563.74 - Step 6: Final answer
x = 556,184.74
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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.