Finding the Fourth Proportional to 513,919.99, 770,875.68 and 401,694.59
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Solution
The fourth proportional to 513,919.99, 770,875.68 and 401,694.59 is: 602,538.53
Step by Step Solution
- Step 1: Write the proportion equation
513,919.99 : 770,875.68 = 401,694.59 : x - Step 2: Convert to fraction form
513,919.99/770,875.68 = 401,694.59/x - Step 3: Cross multiply
513,919.99x = 770,875.68 × 401,694.59 - Step 4: Simplify right side
513,919.99x = 309,656,593,652.12 - Step 5: Solve for x
x = 309,656,593,652.12/513,919.99 - Step 6: Final answer
x = 602,538.53
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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.