Finding the Fourth Proportional to 742,533.74, 1,024,697.57 and 403,001.99
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Solution
The fourth proportional to 742,533.74, 1,024,697.57 and 403,001.99 is: 556,143.29
Step by Step Solution
- Step 1: Write the proportion equation
742,533.74 : 1,024,697.57 = 403,001.99 : x - Step 2: Convert to fraction form
742,533.74/1,024,697.57 = 403,001.99/x - Step 3: Cross multiply
742,533.74x = 1,024,697.57 × 403,001.99 - Step 4: Simplify right side
742,533.74x = 412,955,159,858.16 - Step 5: Solve for x
x = 412,955,159,858.16/742,533.74 - Step 6: Final answer
x = 556,143.29
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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.