Finding the Fourth Proportional to 539,372.60, 804,638.10 and 524,711.84
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Solution
The fourth proportional to 539,372.60, 804,638.10 and 524,711.84 is: 782,767.12
Step by Step Solution
- Step 1: Write the proportion equation
539,372.60 : 804,638.10 = 524,711.84 : x - Step 2: Convert to fraction form
539,372.60/804,638.10 = 524,711.84/x - Step 3: Cross multiply
539,372.60x = 804,638.10 × 524,711.84 - Step 4: Simplify right side
539,372.60x = 422,203,133,961.91 - Step 5: Solve for x
x = 422,203,133,961.91/539,372.60 - Step 6: Final answer
x = 782,767.12
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.