Finding the Fourth Proportional to 573,135.40, 859,703.10 and 527,645.80
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Solution
The fourth proportional to 573,135.40, 859,703.10 and 527,645.80 is: 791,468.70
Step by Step Solution
- Step 1: Write the proportion equation
573,135.40 : 859,703.10 = 527,645.80 : x - Step 2: Convert to fraction form
573,135.40/859,703.10 = 527,645.80/x - Step 3: Cross multiply
573,135.40x = 859,703.10 × 527,645.80 - Step 4: Simplify right side
573,135.40x = 453,618,729,961.98 - Step 5: Solve for x
x = 453,618,729,961.98/573,135.40 - Step 6: Final answer
x = 791,468.70
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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.