Finding the Fourth Proportional to 495,214.81, 684,037.49 and 409,519.94
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Solution
The fourth proportional to 495,214.81, 684,037.49 and 409,519.94 is: 565,667.63
Step by Step Solution
- Step 1: Write the proportion equation
495,214.81 : 684,037.49 = 409,519.94 : x - Step 2: Convert to fraction form
495,214.81/684,037.49 = 409,519.94/x - Step 3: Cross multiply
495,214.81x = 684,037.49 × 409,519.94 - Step 4: Simplify right side
495,214.81x = 280,126,986,394.76 - Step 5: Solve for x
x = 280,126,986,394.76/495,214.81 - Step 6: Final answer
x = 565,667.63
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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.