Finding the Fourth Proportional to 742,566.24, 1,024,742.34 and 403,034.58
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Solution
The fourth proportional to 742,566.24, 1,024,742.34 and 403,034.58 is: 556,188.22
Step by Step Solution
- Step 1: Write the proportion equation
742,566.24 : 1,024,742.34 = 403,034.58 : x - Step 2: Convert to fraction form
742,566.24/1,024,742.34 = 403,034.58/x - Step 3: Cross multiply
742,566.24x = 1,024,742.34 × 403,034.58 - Step 4: Simplify right side
742,566.24x = 413,006,598,610.12 - Step 5: Solve for x
x = 413,006,598,610.12/742,566.24 - Step 6: Final answer
x = 556,188.22
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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.