Finding the Fourth Proportional to 584,575.20, 876,862.80 and 385,120.80
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Solution
The fourth proportional to 584,575.20, 876,862.80 and 385,120.80 is: 577,681.20
Step by Step Solution
- Step 1: Write the proportion equation
584,575.20 : 876,862.80 = 385,120.80 : x - Step 2: Convert to fraction form
584,575.20/876,862.80 = 385,120.80/x - Step 3: Cross multiply
584,575.20x = 876,862.80 × 385,120.80 - Step 4: Simplify right side
584,575.20x = 337,698,103,026.24 - Step 5: Solve for x
x = 337,698,103,026.24/584,575.20 - Step 6: Final answer
x = 577,681.20
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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.