Finding the Fourth Proportional to 435,745.40, 653,618.10 and 346,515.80
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Solution
The fourth proportional to 435,745.40, 653,618.10 and 346,515.80 is: 519,773.70
Step by Step Solution
- Step 1: Write the proportion equation
435,745.40 : 653,618.10 = 346,515.80 : x - Step 2: Convert to fraction form
435,745.40/653,618.10 = 346,515.80/x - Step 3: Cross multiply
435,745.40x = 653,618.10 × 346,515.80 - Step 4: Simplify right side
435,745.40x = 226,488,998,815.98 - Step 5: Solve for x
x = 226,488,998,815.98/435,745.40 - Step 6: Final answer
x = 519,773.70
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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.