Finding the Fourth Proportional to 534,409.42, 737,457.42 and 292,645.30
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Solution
The fourth proportional to 534,409.42, 737,457.42 and 292,645.30 is: 403,835.41
Step by Step Solution
- Step 1: Write the proportion equation
534,409.42 : 737,457.42 = 292,645.30 : x - Step 2: Convert to fraction form
534,409.42/737,457.42 = 292,645.30/x - Step 3: Cross multiply
534,409.42x = 737,457.42 × 292,645.30 - Step 4: Simplify right side
534,409.42x = 215,813,447,913.13 - Step 5: Solve for x
x = 215,813,447,913.13/534,409.42 - Step 6: Final answer
x = 403,835.41
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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.