Finding the Fourth Proportional to 513,392.08, 768,511.69 and 322,960.81
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Solution
The fourth proportional to 513,392.08, 768,511.69 and 322,960.81 is: 483,449.53
Step by Step Solution
- Step 1: Write the proportion equation
513,392.08 : 768,511.69 = 322,960.81 : x - Step 2: Convert to fraction form
513,392.08/768,511.69 = 322,960.81/x - Step 3: Cross multiply
513,392.08x = 768,511.69 × 322,960.81 - Step 4: Simplify right side
513,392.08x = 248,199,157,505.89 - Step 5: Solve for x
x = 248,199,157,505.89/513,392.08 - Step 6: Final answer
x = 483,449.53
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.