Finding the Fourth Proportional to 594,421.53, 820,301.58 and 339,778.19
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Solution
The fourth proportional to 594,421.53, 820,301.58 and 339,778.19 is: 468,893.82
Step by Step Solution
- Step 1: Write the proportion equation
594,421.53 : 820,301.58 = 339,778.19 : x - Step 2: Convert to fraction form
594,421.53/820,301.58 = 339,778.19/x - Step 3: Cross multiply
594,421.53x = 820,301.58 × 339,778.19 - Step 4: Simplify right side
594,421.53x = 278,720,582,005.03 - Step 5: Solve for x
x = 278,720,582,005.03/594,421.53 - Step 6: Final answer
x = 468,893.82
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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.