Finding the Fourth Proportional to 525,408.19, 725,064.11 and 299,053.69
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Solution
The fourth proportional to 525,408.19, 725,064.11 and 299,053.69 is: 412,694.55
Step by Step Solution
- Step 1: Write the proportion equation
525,408.19 : 725,064.11 = 299,053.69 : x - Step 2: Convert to fraction form
525,408.19/725,064.11 = 299,053.69/x - Step 3: Cross multiply
525,408.19x = 725,064.11 × 299,053.69 - Step 4: Simplify right side
525,408.19x = 216,833,095,395.59 - Step 5: Solve for x
x = 216,833,095,395.59/525,408.19 - Step 6: Final answer
x = 412,694.55
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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.