Finding the Fourth Proportional to 403,901.70, 605,852.55 and 364,535.70
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Solution
The fourth proportional to 403,901.70, 605,852.55 and 364,535.70 is: 546,803.55
Step by Step Solution
- Step 1: Write the proportion equation
403,901.70 : 605,852.55 = 364,535.70 : x - Step 2: Convert to fraction form
403,901.70/605,852.55 = 364,535.70/x - Step 3: Cross multiply
403,901.70x = 605,852.55 × 364,535.70 - Step 4: Simplify right side
403,901.70x = 220,854,883,411.04 - Step 5: Solve for x
x = 220,854,883,411.04/403,901.70 - Step 6: Final answer
x = 546,803.55
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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.