Finding the Fourth Proportional to 546,658.99, 754,221.93 and 317,136.58
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Solution
The fourth proportional to 546,658.99, 754,221.93 and 317,136.58 is: 437,551.32
Step by Step Solution
- Step 1: Write the proportion equation
546,658.99 : 754,221.93 = 317,136.58 : x - Step 2: Convert to fraction form
546,658.99/754,221.93 = 317,136.58/x - Step 3: Cross multiply
546,658.99x = 754,221.93 × 317,136.58 - Step 4: Simplify right side
546,658.99x = 239,191,363,441.20 - Step 5: Solve for x
x = 239,191,363,441.20/546,658.99 - Step 6: Final answer
x = 437,551.32
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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.