Finding the Fourth Proportional to 567,135.40, 850,703.10 and 425,417.80
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Solution
The fourth proportional to 567,135.40, 850,703.10 and 425,417.80 is: 638,126.70
Step by Step Solution
- Step 1: Write the proportion equation
567,135.40 : 850,703.10 = 425,417.80 : x - Step 2: Convert to fraction form
567,135.40/850,703.10 = 425,417.80/x - Step 3: Cross multiply
567,135.40x = 850,703.10 × 425,417.80 - Step 4: Simplify right side
567,135.40x = 361,904,241,255.18 - Step 5: Solve for x
x = 361,904,241,255.18/567,135.40 - Step 6: Final answer
x = 638,126.70
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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.