Finding the Fourth Proportional to 637,683.98, 880,043.67 and 351,203.99
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Solution
The fourth proportional to 637,683.98, 880,043.67 and 351,203.99 is: 484,683.41
Step by Step Solution
- Step 1: Write the proportion equation
637,683.98 : 880,043.67 = 351,203.99 : x - Step 2: Convert to fraction form
637,683.98/880,043.67 = 351,203.99/x - Step 3: Cross multiply
637,683.98x = 880,043.67 × 351,203.99 - Step 4: Simplify right side
637,683.98x = 309,074,843,878.03 - Step 5: Solve for x
x = 309,074,843,878.03/637,683.98 - Step 6: Final answer
x = 484,683.41
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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.