Finding the Fourth Proportional to 903,395.68, 1,246,692.17 and 495,500.37
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Solution
The fourth proportional to 903,395.68, 1,246,692.17 and 495,500.37 is: 683,793.87
Step by Step Solution
- Step 1: Write the proportion equation
903,395.68 : 1,246,692.17 = 495,500.37 : x - Step 2: Convert to fraction form
903,395.68/1,246,692.17 = 495,500.37/x - Step 3: Cross multiply
903,395.68x = 1,246,692.17 × 495,500.37 - Step 4: Simplify right side
903,395.68x = 617,736,429,033.60 - Step 5: Solve for x
x = 617,736,429,033.60/903,395.68 - Step 6: Final answer
x = 683,793.87
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1.5x scale
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.