Finding the Fourth Proportional to 508,577.80, 763,212.30 and 283,937.80
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Solution
The fourth proportional to 508,577.80, 763,212.30 and 283,937.80 is: 426,099.65
Step by Step Solution
- Step 1: Write the proportion equation
508,577.80 : 763,212.30 = 283,937.80 : x - Step 2: Convert to fraction form
508,577.80/763,212.30 = 283,937.80/x - Step 3: Cross multiply
508,577.80x = 763,212.30 × 283,937.80 - Step 4: Simplify right side
508,577.80x = 216,704,821,394.94 - Step 5: Solve for x
x = 216,704,821,394.94/508,577.80 - Step 6: Final answer
x = 426,099.65
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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.