Finding the Fourth Proportional to 742,560.24, 1,024,734.15 and 403,028.52
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Solution
The fourth proportional to 742,560.24, 1,024,734.15 and 403,028.52 is: 556,179.91
Step by Step Solution
- Step 1: Write the proportion equation
742,560.24 : 1,024,734.15 = 403,028.52 : x - Step 2: Convert to fraction form
742,560.24/1,024,734.15 = 403,028.52/x - Step 3: Cross multiply
742,560.24x = 1,024,734.15 × 403,028.52 - Step 4: Simplify right side
742,560.24x = 412,997,087,867.96 - Step 5: Solve for x
x = 412,997,087,867.96/742,560.24 - Step 6: Final answer
x = 556,179.91
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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.