Finding the Fourth Proportional to 440,347.40, 607,669.11 and 259,070.99
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Solution
The fourth proportional to 440,347.40, 607,669.11 and 259,070.99 is: 357,511.92
Step by Step Solution
- Step 1: Write the proportion equation
440,347.40 : 607,669.11 = 259,070.99 : x - Step 2: Convert to fraction form
440,347.40/607,669.11 = 259,070.99/x - Step 3: Cross multiply
440,347.40x = 607,669.11 × 259,070.99 - Step 4: Simplify right side
440,347.40x = 157,429,441,592.15 - Step 5: Solve for x
x = 157,429,441,592.15/440,347.40 - Step 6: Final answer
x = 357,511.92
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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.