Finding the Fourth Proportional to 579,813.70, 868,408.35 and 367,237.30
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Solution
The fourth proportional to 579,813.70, 868,408.35 and 367,237.30 is: 550,024.84
Step by Step Solution
- Step 1: Write the proportion equation
579,813.70 : 868,408.35 = 367,237.30 : x - Step 2: Convert to fraction form
579,813.70/868,408.35 = 367,237.30/x - Step 3: Cross multiply
579,813.70x = 868,408.35 × 367,237.30 - Step 4: Simplify right side
579,813.70x = 318,911,937,751.46 - Step 5: Solve for x
x = 318,911,937,751.46/579,813.70 - Step 6: Final answer
x = 550,024.84
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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.