Finding the Fourth Proportional to 556,237.80, 834,356.70 and 416,269.80
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Solution
The fourth proportional to 556,237.80, 834,356.70 and 416,269.80 is: 624,404.70
Step by Step Solution
- Step 1: Write the proportion equation
556,237.80 : 834,356.70 = 416,269.80 : x - Step 2: Convert to fraction form
556,237.80/834,356.70 = 416,269.80/x - Step 3: Cross multiply
556,237.80x = 834,356.70 × 416,269.80 - Step 4: Simplify right side
556,237.80x = 347,317,496,637.66 - Step 5: Solve for x
x = 347,317,496,637.66/556,237.80 - Step 6: Final answer
x = 624,404.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.