Finding the Fourth Proportional to 480,894.95, 664,199.68 and 384,432.87
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Solution
The fourth proportional to 480,894.95, 664,199.68 and 384,432.87 is: 530,968.75
Step by Step Solution
- Step 1: Write the proportion equation
480,894.95 : 664,199.68 = 384,432.87 : x - Step 2: Convert to fraction form
480,894.95/664,199.68 = 384,432.87/x - Step 3: Cross multiply
480,894.95x = 664,199.68 × 384,432.87 - Step 4: Simplify right side
480,894.95x = 255,340,189,235.48 - Step 5: Solve for x
x = 255,340,189,235.48/480,894.95 - Step 6: Final answer
x = 530,968.75
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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.