Finding the Fourth Proportional to 528,797.47, 792,408.61 and 292,207.81
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Solution
The fourth proportional to 528,797.47, 792,408.61 and 292,207.81 is: 437,876.50
Step by Step Solution
- Step 1: Write the proportion equation
528,797.47 : 792,408.61 = 292,207.81 : x - Step 2: Convert to fraction form
528,797.47/792,408.61 = 292,207.81/x - Step 3: Cross multiply
528,797.47x = 792,408.61 × 292,207.81 - Step 4: Simplify right side
528,797.47x = 231,547,984,553.24 - Step 5: Solve for x
x = 231,547,984,553.24/528,797.47 - Step 6: Final answer
x = 437,876.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.