Finding the Fourth Proportional to 742,593.92, 1,024,780.44 and 403,062.08
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Solution
The fourth proportional to 742,593.92, 1,024,780.44 and 403,062.08 is: 556,226.12
Step by Step Solution
- Step 1: Write the proportion equation
742,593.92 : 1,024,780.44 = 403,062.08 : x - Step 2: Convert to fraction form
742,593.92/1,024,780.44 = 403,062.08/x - Step 3: Cross multiply
742,593.92x = 1,024,780.44 × 403,062.08 - Step 4: Simplify right side
742,593.92x = 413,050,135,689.72 - Step 5: Solve for x
x = 413,050,135,689.72/742,593.92 - Step 6: Final answer
x = 556,226.12
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1.5x scale
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.