Finding the Fourth Proportional to 911,500.47, 1,257,763.41 and 503,577.99
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Solution
The fourth proportional to 911,500.47, 1,257,763.41 and 503,577.99 is: 694,878.38
Step by Step Solution
- Step 1: Write the proportion equation
911,500.47 : 1,257,763.41 = 503,577.99 : x - Step 2: Convert to fraction form
911,500.47/1,257,763.41 = 503,577.99/x - Step 3: Cross multiply
911,500.47x = 1,257,763.41 × 503,577.99 - Step 4: Simplify right side
911,500.47x = 633,381,969,903.35 - Step 5: Solve for x
x = 633,381,969,903.35/911,500.47 - Step 6: Final answer
x = 694,878.38
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.