Finding the Fourth Proportional to 435,759.40, 653,639.10 and 346,529.80
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Solution
The fourth proportional to 435,759.40, 653,639.10 and 346,529.80 is: 519,794.70
Step by Step Solution
- Step 1: Write the proportion equation
435,759.40 : 653,639.10 = 346,529.80 : x - Step 2: Convert to fraction form
435,759.40/653,639.10 = 346,529.80/x - Step 3: Cross multiply
435,759.40x = 653,639.10 × 346,529.80 - Step 4: Simplify right side
435,759.40x = 226,505,426,595.18 - Step 5: Solve for x
x = 226,505,426,595.18/435,759.40 - Step 6: Final answer
x = 519,794.70
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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.